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