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