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