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