[ capword ] sp capword , sp caplet . sp num . sp capword sp smallet sp othword sp othword sp othword , sp othword sp othword sp othword sp capword sp capword sp ( sp othword sp capword ) : othword sp othword sp smallet sp othword sp othword sp othword sp capword . sp capword sp othword sp othword sp capword sp othword sp capword sp capword sp othword sp capword sp num , num – num .