piipiipii bakku shimashita
piipiipii bakku shimashita .
p i i p i i p i i WORD_BOUNDARY b a k k ɯ WORD_BOUNDARY ʃ i m a ʃ i t a WORD_BOUNDARY
p i i p i i p i i WORD_BOUNDARY b a k k u WORD_BOUNDARY s h i m a s h i t a WORD_BOUNDARY