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