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