itaiitai tte itteru yo Totto
itaiitai tte itteru yo totto .
i t a i i t a i WORD_BOUNDARY t t e WORD_BOUNDARY i t t e r ɯ WORD_BOUNDARY j o WORD_BOUNDARY t o t t o WORD_BOUNDARY
i t a i i t a i WORD_BOUNDARY t t e WORD_BOUNDARY i t t e r u WORD_BOUNDARY y o WORD_BOUNDARY t o t t o WORD_BOUNDARY