rakko rararara rakko hunhun
rakko rararara rakko hunhun .
r a k k o WORD_BOUNDARY r a r a r a r a WORD_BOUNDARY r a k k o WORD_BOUNDARY h ɯ n h ɯ n WORD_BOUNDARY
r a k k o WORD_BOUNDARY r a r a r a r a WORD_BOUNDARY r a k k o WORD_BOUNDARY h u n h u n WORD_BOUNDARY