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