de agereba yorokobu wa ne
de agereba yorokobu wa ne .
d e WORD_BOUNDARY a g e r e b a WORD_BOUNDARY j o r o k o b ɯ WORD_BOUNDARY w a WORD_BOUNDARY n e WORD_BOUNDARY
d e WORD_BOUNDARY a g e r e b a WORD_BOUNDARY y o r o k o b u WORD_BOUNDARY w a WORD_BOUNDARY n e WORD_BOUNDARY