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