nenne shitaku natta no
nenne shitaku natta no ?
n e n n e WORD_BOUNDARY ʃ i t a k ɯ WORD_BOUNDARY n a t t a WORD_BOUNDARY n o WORD_BOUNDARY
n e n n e WORD_BOUNDARY s h i t a k u WORD_BOUNDARY n a t t a WORD_BOUNDARY n o WORD_BOUNDARY