y solo esos dos
y solo esos dos ?
i WORD_BOUNDARY s o̞ l o̞ WORD_BOUNDARY e̞ s o̞ s WORD_BOUNDARY d o̞ s WORD_BOUNDARY
y WORD_BOUNDARY s o l o WORD_BOUNDARY e s o s WORD_BOUNDARY d o s WORD_BOUNDARY ? WORD_BOUNDARY