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