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