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