?????? ???? ???????????? ?????? ????????????.?????? ??? ???? ????, ?????? ????????????????? ???????? ?????????? ?????? ???????????? ?????? ????? ???? ???? ????????? ?? ?? ?????? ?? ?? ????? ??? ?? ?? - ?????? ?? - ?? ?????If a grammatical principle which is additional to ????is a vowel ??and there is no other solution besides a vowel ??then that g