he+em eh bola voli
he em eh bola voli .
h ɛ WORD_BOUNDARY  ɛ m WORD_BOUNDARY ɛ h WORD_BOUNDARY b o l a WORD_BOUNDARY v o l i WORD_BOUNDARY
h e WORD_BOUNDARY e m WORD_BOUNDARY e h WORD_BOUNDARY b o l a WORD_BOUNDARY v o l i WORD_BOUNDARY