mask order unknown?

[doulomb]

Hey there,

I'm trying to crack a certain hash and I know the password requirements which are:

Your password must have at least one uppercase letter, one lowercase letter, one special character, and one number.

and also must be at least 8 characters.

So assuming its 8 or more and that there will be more than one upper and lower and probably just one special and one number how could I make this mask with the order not known?

Thanks

-doulomb