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