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