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