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