?? ?? ???? ?? ????????????? ???? ??? ???????????? ???????? ??????????. ??????? ???? ??????????.If a grammatical theory that is definitely additional to ????is really a vowel ??and there's no other selection apart from a vowel ??then that grammatical principle can't be additional to ??????(??)?? ?????? : ??, ??, ????, ??, ???? ?·???????, ?? ??????