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