[ ] sp capword sp capword sp othword sp capword sp capword . sp capword sp othword sp othword sp othword . sp capword sp caplet . sp capword , sp othword , capword sp capword sp othword sp othword sp capword sp othword sp capword sp capword sp ( capword sp othword sp upword - num , capword othword ) , sp othword sp num – num , sp capword sp capword , sp capword sp num , sp caplet - num sp capword othword , sp capword , sp year . capword - capword - capword sp smallet othword sp capword sp ( upword - caplet - num - num ) .