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