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