[ 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 , sp ( othword . ) , sp capword othword sp upword sp othword sp year sp othword sp othword sp othword sp othword sp num othword sp capword sp upword sp othword capword sp othword sp othword sp capword : sp othword sp othword sp othword sp othword sp othword , sp othword . sp num . upword sp capword , sp capword .