?? ?????? ??? ???????????? ?????? ??????? ???????? ?????????? ??? ????.?????????? ???? ?????????? ??? ?? ????????? ???? ??????, ????????????, ???? ???? (???????? ??)If a grammatical theory that's included to ????is actually a vowel ??and there's no other choice in addition to a vowel ??then that grammatical principle can't be extra to ???? ??????