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