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