oniichan wa ookiku natta
oniichan wa ookiku natta .
o n i i t̠ʃ a n WORD_BOUNDARY w a WORD_BOUNDARY oː k i k ɯ WORD_BOUNDARY n a t t a WORD_BOUNDARY
o n i i c h a n WORD_BOUNDARY w a WORD_BOUNDARY o o k i k u WORD_BOUNDARY n a t t a WORD_BOUNDARY