we he he he he he
we he he he he he .
w ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY
w e WORD_BOUNDARY h e WORD_BOUNDARY h e WORD_BOUNDARY h e WORD_BOUNDARY h e WORD_BOUNDARY h e WORD_BOUNDARY