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