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