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