?????? ??????????????????? ?? ??????? ???????? ??? ???????????? ???? ???? ????? ?????? ????????? ?? '(??, ?? ??) ??????'?? ???????? ???? ???????It can be incorrect to incorporate any grammatical theory starting by using a vowel, or with the option of adding a vowel, to ??.?????? ???? ?? ???? ??? ?? ?? ?????? ?????? ?????? ???? ???????? ??????????