Any time a checksum is invalid, alert the person that the phrase is not anything created by your application, and ask when they want to use it in any case. By doing this, your app only really should keep the wordlists to your supported languages, however you can Recuperate phrases https://privatebin.net/?57c491b9cad17a10#2jP1wyi3VUgs8q9BTwvowdFnmCxc6BsRV7dxomBiXrt6