pero que es suma o resta
pero que es suma o resta ?
p e ɾ o WORD_BOUNDARY k e WORD_BOUNDARY e s WORD_BOUNDARY s u m a WORD_BOUNDARY o WORD_BOUNDARY r e s t a WORD_BOUNDARY
p e r o WORD_BOUNDARY q u e WORD_BOUNDARY e s WORD_BOUNDARY s u m a WORD_BOUNDARY o WORD_BOUNDARY r e s t a WORD_BOUNDARY