yoku oboeteta ne purin
yoku oboeteta ne purin .
j o k ɯ WORD_BOUNDARY o b o e t e t a WORD_BOUNDARY n e WORD_BOUNDARY p ɯ r i n WORD_BOUNDARY
y o k u WORD_BOUNDARY o b o e t e t a WORD_BOUNDARY n e WORD_BOUNDARY p u r i n WORD_BOUNDARY