nande konna koto shita no
nande konna koto shita no ?
n a n d e WORD_BOUNDARY k o n n a WORD_BOUNDARY k o t o WORD_BOUNDARY ʃ i t a WORD_BOUNDARY n o WORD_BOUNDARY
n a n d e WORD_BOUNDARY k o n n a WORD_BOUNDARY k o t o WORD_BOUNDARY s h i t a WORD_BOUNDARY n o WORD_BOUNDARY