buruburu buruburu buruburu buruburu
buruburu buruburu buruburu buruburu .
b ɯ r ɯ b ɯ r ɯ WORD_BOUNDARY b ɯ r ɯ b ɯ r ɯ WORD_BOUNDARY b ɯ r ɯ b ɯ r ɯ WORD_BOUNDARY b ɯ r ɯ b ɯ r ɯ WORD_BOUNDARY
b u r u b u r u WORD_BOUNDARY b u r u b u r u WORD_BOUNDARY b u r u b u r u WORD_BOUNDARY b u r u b u r u WORD_BOUNDARY