???? ???????(????)????????????? ???? ????????.?????????? ??? ?? ???? ???? ????????? (?????)?? ???? ?? ?????????? ????? ???? ???? ???????? ??????????????If a grammatical theory which is added to ????is a vowel ??and there is no other option in addition to a vowel ??then that grammatical principle cannot be additional to ????????? ??????????? ??????