y con Z o con S
y con z o con s ?
i WORD_BOUNDARY k o̞ n WORD_BOUNDARY s WORD_BOUNDARY o̞ WORD_BOUNDARY k o̞ n WORD_BOUNDARY s WORD_BOUNDARY
y WORD_BOUNDARY c o n WORD_BOUNDARY z WORD_BOUNDARY o WORD_BOUNDARY c o n WORD_BOUNDARY s WORD_BOUNDARY ? WORD_BOUNDARY