tu seu tu seu tu seu
tu seu tu seu tu seu .
t u WORD_BOUNDARY s ɛ w WORD_BOUNDARY t u WORD_BOUNDARY s ɛ w WORD_BOUNDARY t u WORD_BOUNDARY s ɛ w WORD_BOUNDARY
t u WORD_BOUNDARY s e u WORD_BOUNDARY t u WORD_BOUNDARY s e u WORD_BOUNDARY t u WORD_BOUNDARY s e u WORD_BOUNDARY