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