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