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