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