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