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