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