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