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