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