he+em he+em iya iya
he em he em iya iya .
h ə WORD_BOUNDARY ə m WORD_BOUNDARY h ə WORD_BOUNDARY ə m WORD_BOUNDARY i j a WORD_BOUNDARY i j a WORD_BOUNDARY
h e WORD_BOUNDARY e m WORD_BOUNDARY h e WORD_BOUNDARY e m WORD_BOUNDARY i y a WORD_BOUNDARY i y a WORD_BOUNDARY . WORD_BOUNDARY