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