yoku oboete inai naa
yoku oboete inai naa .
j o k ɯ WORD_BOUNDARY o b o e t e WORD_BOUNDARY i n a i WORD_BOUNDARY n aː WORD_BOUNDARY
y o k u WORD_BOUNDARY o b o e t e WORD_BOUNDARY i n a i WORD_BOUNDARY n a a WORD_BOUNDARY