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