[ ] sp capword sp capword , sp capword sp caplet . sp capword , sp othword sp capword - capword sp caplet capword . sp capword sp othword sp othword sp othword othword sp othword sp othword sp othword , sp othword sp othword sp othword sp othword sp othword - othword - othword - othword sp othword sp othword sp othword othword sp othword sp othword sp othword . sp capword sp othword sp upword - num .