he hm hm hm hm
he hm hm hm hm .
h ɛ WORD_BOUNDARY h a ɛ m WORD_BOUNDARY h a ɛ m WORD_BOUNDARY h a ɛ m WORD_BOUNDARY h a ɛ m WORD_BOUNDARY
h e WORD_BOUNDARY h m WORD_BOUNDARY h m WORD_BOUNDARY h m WORD_BOUNDARY h m WORD_BOUNDARY