?????? ??????????????????? ?? ??????? ???????? ??? ???????????? ???? ???? ????? ?????? ????????? ?????????????? ??? ???????? ???? ??????? ????????????????????? ??????????? ???? ??????, ????????????, ???? ???? (???????? ??)If a grammatical theory that's additional to ????can be a vowel ??and there is no other choice other than a vowel ??then that gr