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