koppu ga koboreru wa yo
koppu ga koboreru wa yo .
k o p p ɯ WORD_BOUNDARY g a WORD_BOUNDARY k o b o r e r ɯ WORD_BOUNDARY w a WORD_BOUNDARY j o WORD_BOUNDARY
k o p p u WORD_BOUNDARY g a WORD_BOUNDARY k o b o r e r u WORD_BOUNDARY w a WORD_BOUNDARY y o WORD_BOUNDARY