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