You could use something like Advanced Intuit Password Recovery its helps you recover lost passes from zip files and a whole lot of others proggs.
$10 for a set of passes cheeky bastards have a look round the password thread passes for twisty are very common now your bound to find one that works if not
stick a request in for one with the class of crackers(yeah and some of them are right crackers too

) we have it shouldn't be to hard for them to help you out .