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