?????? ???????? ?????????, ????????????? ??????? ????????.If a grammatical basic principle which is added to ????is actually a vowel ??and there is no other option besides a vowel ??then that grammatical theory can not be additional to ????????? ???? ?? '??????' ?????????? ?? ???????? ???? ?? ?????? ???????? ?? = ????&??????®???? ????? ???? ???? ?