low and high low and high
low and high low and high .
l o̞ w WORD_BOUNDARY a n d WORD_BOUNDARY ʝ ɡ WORD_BOUNDARY l o̞ w WORD_BOUNDARY a n d WORD_BOUNDARY ʝ ɡ WORD_BOUNDARY
l o w WORD_BOUNDARY a n d WORD_BOUNDARY h i g h WORD_BOUNDARY l o w WORD_BOUNDARY a n d WORD_BOUNDARY h i g h WORD_BOUNDARY . WORD_BOUNDARY