ibu+ibu mau ke mal
ibu ibu mau ke mal .
i b u WORD_BOUNDARY i b u WORD_BOUNDARY m a u WORD_BOUNDARY k ə WORD_BOUNDARY m a l WORD_BOUNDARY
i b u WORD_BOUNDARY i b u WORD_BOUNDARY m a u WORD_BOUNDARY k e WORD_BOUNDARY m a l WORD_BOUNDARY . WORD_BOUNDARY