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