?? ??????)??????? ?????? ?? ????, ??, ?? ?? ????.??????? ???? ??? ???????????? ???????? ??????????. ??????? ???? ??????????.If a grammatical theory that is certainly included to ????is actually a vowel ??and there's no other selection in addition to a vowel ??then that grammatical theory cannot be included to ???????? ????? ???? ???? ?? ?? ???? ???