??(??)?? ????????????, ???????????? ???? '?? ????'???? ??, ?? ?????????? ???????????????? ?????? ???? ????????.  ??????? ???? ??? ???????????? ???????? ??????????. ??????? ???? ??????????.If a grammatical principle that is additional to ????can be a vowel ??and there's no other solution in addition to a vowel ??then that grammatical basic princip