halo halo halo halo halo halo halo halo
halo halo halo halo halo halo halo halo ?
h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY
h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY h a l o WORD_BOUNDARY ? WORD_BOUNDARY