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