??(??)?? ????????????, ???????????? ???? '?? ????'???? ??, ?? ?????????? ???????????????? ?????? ???? ????????.  If a grammatical theory that's additional to ????is a vowel ??and there is no other choice other than a vowel ??then that grammatical basic principle cannot be additional to ?????? ???? ??????, ???? ???? ???? ?? ??? ??????.???? ???????