aku tabrakan ama Ai
aku tabrakan ama ai .
a k u WORD_BOUNDARY t a b r a k a n WORD_BOUNDARY a m a WORD_BOUNDARY a i WORD_BOUNDARY
a k u WORD_BOUNDARY t a b r a k a n WORD_BOUNDARY a m a WORD_BOUNDARY a i WORD_BOUNDARY . WORD_BOUNDARY