he+em he+em he+em he+em he+em hm
he em he em he em he em he em hm .
h ə WORD_BOUNDARY ə m WORD_BOUNDARY h ə WORD_BOUNDARY ə m WORD_BOUNDARY h ə WORD_BOUNDARY ə m WORD_BOUNDARY h ə WORD_BOUNDARY ə m WORD_BOUNDARY h ə WORD_BOUNDARY ə m WORD_BOUNDARY h m WORD_BOUNDARY
h e WORD_BOUNDARY e m WORD_BOUNDARY h e WORD_BOUNDARY e m WORD_BOUNDARY h e WORD_BOUNDARY e m WORD_BOUNDARY h e WORD_BOUNDARY e m WORD_BOUNDARY h e WORD_BOUNDARY e m WORD_BOUNDARY h m WORD_BOUNDARY . WORD_BOUNDARY