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