he+em ini ada nih
he em ini ada nih .
h ɛ WORD_BOUNDARY  ɛ m WORD_BOUNDARY i n i WORD_BOUNDARY  a d a WORD_BOUNDARY n i h WORD_BOUNDARY
h e WORD_BOUNDARY e m WORD_BOUNDARY i n i WORD_BOUNDARY a d a WORD_BOUNDARY n i h WORD_BOUNDARY