kore nan da ka shiranai
kore nan da ka shiranai ?
k o r e WORD_BOUNDARY n a n WORD_BOUNDARY d a WORD_BOUNDARY k a WORD_BOUNDARY ʃ i r a n a i WORD_BOUNDARY
k o r e WORD_BOUNDARY n a n WORD_BOUNDARY d a WORD_BOUNDARY k a WORD_BOUNDARY s h i r a n a i WORD_BOUNDARY