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