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