?? ?? ??? ??? ?? ??? ? ???? ???? ??? ?? ???? ???? ??? ? ?????????? ???? ???? ???? ???? ???, ???? ???? ???? ???? ???? ???? ???? ???? ???? ??????? ?????????????? ????, ?? ?? ?? ???? ??? ????? ????If a grammatical basic principle that is additional to ????is often a vowel ??and there's no other possibility apart from a vowel ??then that