konna koto tte nani ittai
konna koto tte nani ittai ?
k o n n a WORD_BOUNDARY k o t o WORD_BOUNDARY t t e WORD_BOUNDARY n a n i WORD_BOUNDARY i t t a i WORD_BOUNDARY
k o n n a WORD_BOUNDARY k o t o WORD_BOUNDARY t t e WORD_BOUNDARY n a n i WORD_BOUNDARY i t t a i WORD_BOUNDARY