???? & ?????? ???????? ???????? ???? ?? ??? ?? ???? ?? ???????????????? ??(?? ???? ???? ??, ?????? ????? ?????????????????. ??If a grammatical basic principle which is added to ????is actually a vowel ??and there's no other solution aside from a vowel ??then that grammatical principle can not be additional to ?????????? ???? ?? ???? ??? ?? ?? ?????