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