yonde ikeba wakaru kana
yonde ikeba wakaru kana ?
j o n d e WORD_BOUNDARY i k e b a WORD_BOUNDARY w a k a r ɯ WORD_BOUNDARY k a n a WORD_BOUNDARY
y o n d e WORD_BOUNDARY i k e b a WORD_BOUNDARY w a k a r u WORD_BOUNDARY k a n a WORD_BOUNDARY