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