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