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