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