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