itai koto nai yan ka
itai koto nai yan ka .
i t a i WORD_BOUNDARY k o t o WORD_BOUNDARY n a i WORD_BOUNDARY j a n WORD_BOUNDARY k a WORD_BOUNDARY
i t a i WORD_BOUNDARY k o t o WORD_BOUNDARY n a i WORD_BOUNDARY y a n WORD_BOUNDARY k a WORD_BOUNDARY