                                              

     [  ]    1657           (     395   1453  )                                                         +          mediaeval                                                                                                                                                                                                                

                           

                     вдр                                                                +                                                                                               

                                                  +         +      +                                                                       
                    
                                                                                                                                                                                                     

                                                 

                                                                                                                       

                                        

                                                                              …                                                                                                                                                                                                                                   

                                           

                                                                                                 ъ    ь                                                                                                                                                                                                                                                                         ъ  ь                                               щ                                                                 

                                                     

                                                                                                                                                                                                  

                                    –                                        

                                                                                      

                                                                                                                                                                                                                                                                                                                                                                  

                                      

                                                                                                                                                    

                                                                                                                                                                                          

                          