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