kamu kan udah mau tk B
kamu kan udah mau tk b .
k a m u WORD_BOUNDARY k a n WORD_BOUNDARY u d a h WORD_BOUNDARY m a u WORD_BOUNDARY t k WORD_BOUNDARY b WORD_BOUNDARY
k a m u WORD_BOUNDARY k a n WORD_BOUNDARY u d a h WORD_BOUNDARY m a u WORD_BOUNDARY t k WORD_BOUNDARY b WORD_BOUNDARY . WORD_BOUNDARY