hah he he he he
hah he he he he .
h a h WORD_BOUNDARY h ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY
h a h WORD_BOUNDARY h e WORD_BOUNDARY h e WORD_BOUNDARY h e WORD_BOUNDARY h e WORD_BOUNDARY