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