bibbii ttei bibibii tte ii
bibbii ttei bibibii tte ii .
b i b b i i WORD_BOUNDARY t t e i WORD_BOUNDARY b i b i b i i WORD_BOUNDARY t t e WORD_BOUNDARY i i WORD_BOUNDARY
b i b b i i WORD_BOUNDARY t t e i WORD_BOUNDARY b i b i b i i WORD_BOUNDARY t t e WORD_BOUNDARY i i WORD_BOUNDARY