[ num ] sp capword sp caplet . 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 ) : sp othword sp othword sp smallet sp othword sp othword 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 - num .