??? ?????? ????????? ???? ?????????? ???????? ???? ??? ??? ??...?????????? ???????????? ???? ??????...If a grammatical basic principle that's added to ????is a vowel ??and there's no other choice aside from a vowel ??then that grammatical theory can not be included to ??????? ?? ???????? ?? ?? ???????? ??????????? ??????????????????????'????' ??? ?