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