???? ???????? ????????? ???? ???? ?? ???If a grammatical basic principle that's additional to ????is usually a vowel ??and there is no other choice in addition to a vowel ??then that grammatical principle can't be included to ??????? ?? ?? ?????? ?? ?? ????? ??? ?? ?? - ?????? ?? - ?? ????????? ???? ??????, ???? ?? ???????? ?? ?? ?????????? ???????