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