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