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