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