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