[ num ] sp capword sp othword sp capword sp capword sp capword sp capword . sp [ capword ] sp / sp capword sp capword othword , sp capword sp capword , capword sp caplet othword sp [ othword sp othword . ] sp / / sp capword sp capword . sp — sp [ caplet . sp smallet . sp : sp smallet . sp smallet . ] , sp year . sp — sp caplet . sp num – num .