??, ???? ???? ?? “????? ??? ?? ?????? ?????? ?”? ?????? ?? ??????. ??·?? ?? '(??, ?? ??) ??????'?? ???????? ???? ???????If a grammatical basic principle that is certainly additional to ????is really a vowel ??and there's no other alternative aside from a vowel ??then that grammatical principle can't be extra to ???????? ???? ??????, ???? ??