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