??/??/?? ?? ????? ??????????????????????? ???? ??? ??? ??...?????????? ???????????? ???? ??????...?? ???? ??????, ????????????, ???? ???? (???????? ??)If a grammatical theory that is definitely added to ????is really a vowel ??and there's no other option apart from a vowel ??then that grammatical theory can not be additional to ?????????????? ?????