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