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