buwabuwa buwabuwabuwa baba baba
buwabuwa buwabuwabuwa baba baba .
b ɯ w a b ɯ w a WORD_BOUNDARY b ɯ w a b ɯ w a b ɯ w a WORD_BOUNDARY b a b a WORD_BOUNDARY b a b a WORD_BOUNDARY
b u w a b u w a WORD_BOUNDARY b u w a b u w a b u w a WORD_BOUNDARY b a b a WORD_BOUNDARY b a b a WORD_BOUNDARY