sini bukain sini sini
sini bukain sini sini .
s i n i WORD_BOUNDARY b u k a i n WORD_BOUNDARY s i n i WORD_BOUNDARY s i n i WORD_BOUNDARY
s i n i WORD_BOUNDARY b u k a i n WORD_BOUNDARY s i n i WORD_BOUNDARY s i n i WORD_BOUNDARY . WORD_BOUNDARY