??? ?? ??, ?????? ??, ???? ???????????? ?????? ??? ???? ?????????? ????????????????, ?? ???????????????? ?????? ?? ???????? ?? ?? ?? ?? ?? ?? ?? ??????? ???? ?? '??????' ?????????? ?? ???????? ???? ?? ?????? ???????? ?? = ????&??????®If a grammatical principle that's extra to ????is really a vowel ??and there's no other solution other than a vowel