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