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