ienaku natta koto
iw nar koto
v:c v:c n:fml
ienaku natta koto .
i e n a k ɯ WORD_BOUNDARY n a t t a WORD_BOUNDARY k o t o WORD_BOUNDARY
i e n a k u WORD_BOUNDARY n a t t a WORD_BOUNDARY k o t o WORD_BOUNDARY