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