[ num ] sp capword sp caplet . sp capword sp othword sp ( caplet , caplet ) - othword sp othword sp capword sp capword . sp capword : sp capword sp caplet , sp othword . capword sp othword sp othword , sp upword . sp capword , sp capword ; sp year . sp capword sp othword : sp othword : / / othword . othword . othword / othword othword / othword num / num / smallet - num / num smallet - othword / num . othword .