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