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