voló el oso si
voló el oso si .
β o̞ l o̞ WORD_BOUNDARY e̞ l WORD_BOUNDARY o̞ s o̞ WORD_BOUNDARY s i WORD_BOUNDARY
v o l ó WORD_BOUNDARY e l WORD_BOUNDARY o s o WORD_BOUNDARY s i WORD_BOUNDARY . WORD_BOUNDARY