yo hayo ayo ayo ayo
yo hayo ayo ayo ayo .
j o WORD_BOUNDARY h a j o WORD_BOUNDARY  a j o WORD_BOUNDARY  a j o WORD_BOUNDARY  a j o WORD_BOUNDARY
y o WORD_BOUNDARY h a y o WORD_BOUNDARY a y o WORD_BOUNDARY a y o WORD_BOUNDARY a y o WORD_BOUNDARY