boku ga tsukutta n
boku ga tsukutta n ?
b o k ɯ WORD_BOUNDARY g a WORD_BOUNDARY t͡s ɯ k ɯ t t a WORD_BOUNDARY n WORD_BOUNDARY
b o k u WORD_BOUNDARY g a WORD_BOUNDARY t s u k u t t a WORD_BOUNDARY n WORD_BOUNDARY