zuk ez zuk ez
zuk ez zuk ez .
s̪̻ u k WORD_BOUNDARY e t̪̻s̪̻ WORD_BOUNDARY s̪̻ u k WORD_BOUNDARY e s̪̻ WORD_BOUNDARY
z u k WORD_BOUNDARY e z WORD_BOUNDARY z u k WORD_BOUNDARY e z WORD_BOUNDARY . WORD_BOUNDARY