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