ookiku nattara tsukeru
ookiku nattara tsukeru .
oː k i k ɯ WORD_BOUNDARY n a t t a r a WORD_BOUNDARY t͡s ɯ k e r ɯ WORD_BOUNDARY
o o k i k u WORD_BOUNDARY n a t t a r a WORD_BOUNDARY t s u k e r u WORD_BOUNDARY