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