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