he+eh tu susah gitu
he eh tu susah gitu .
h ɛ WORD_BOUNDARY  ɛ h WORD_BOUNDARY t u WORD_BOUNDARY s u s a h WORD_BOUNDARY ɡ i t u WORD_BOUNDARY
h e WORD_BOUNDARY e h WORD_BOUNDARY t u WORD_BOUNDARY s u s a h WORD_BOUNDARY g i t u WORD_BOUNDARY