hi hi hi he he he
hi hi hi he he he .
h i WORD_BOUNDARY h i WORD_BOUNDARY h i WORD_BOUNDARY h ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY h ɛ WORD_BOUNDARY
h i WORD_BOUNDARY h i WORD_BOUNDARY h i WORD_BOUNDARY h e WORD_BOUNDARY h e WORD_BOUNDARY h e WORD_BOUNDARY