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