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