[ num ] sp capword sp capword , sp capword sp caplet . sp capword - capword , sp othword sp capword sp capword . sp capword - othword sp othword sp othword othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword othword . sp capword sp & sp capword , sp num : num – num , sp year .