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