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