[ num ] sp capword - othword sp capword sp othword sp capword sp capword sp capword sp / sp othword . sp othword sp caplet . sp capword , sp caplet . sp capword , caplet . sp caplet . sp capword sp othword sp othword . sp — sp capword , sp year . sp — sp capword sp othword sp othword : / / othword . othword / num . num / num - num - num - year - num .