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