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