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