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