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