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