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