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