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