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