[ ] sp capword sp capword , sp capword sp caplet . sp capword , sp capword sp capword , sp capword sp capword , sp othword sp capword sp capword . sp capword othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword . sp othword , sp capword sp num sp year . capword : sp num sp othword , sp num sp othword , sp num sp othword .