he+eh taro di sini
he eh taro di sini .
h ɛ WORD_BOUNDARY  ɛ h WORD_BOUNDARY t a r o WORD_BOUNDARY d i WORD_BOUNDARY s i n i WORD_BOUNDARY
h e WORD_BOUNDARY e h WORD_BOUNDARY t a r o WORD_BOUNDARY d i WORD_BOUNDARY s i n i WORD_BOUNDARY