?? ?? ???? ?? ?????????????? ??(?? ???? ???? ??, ?????? ????? ?????????????????. ??If a grammatical theory which is extra to ????is often a vowel ??and there is no other choice other than a vowel ??then that grammatical principle can not be additional to ?????????????? ??????(??)???? ???????? ???? ??????, ???? ???, ???? ?? ?? ?? ???????? ???? ?????