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