after beating the game i've written a regex that finds all valid words, here it is (in base64)
Xig/PVthZWlvdV0qW15hZWlvdV0oPzpbYWVpb3VdKlteYWVpb3VdW2FlaW91XSpbXmFlaW91XSkqW2FlaW91XSokKSg/PS4qbikoPz0uKig/OmFifGJjfGNkfGRlfGVmfGZnfGdofGhpfGlqfGprfGtsfGxtfG1ufG5vfG9wfHBxfHFyfHJzfHN0fHR1fHV2fHZ3fHd4fHh5fHl6KSkoPz0uezYsN30kKSg/PS4qKFthZWlvdV0pLipcMSk=
you can try it yourself here for example (please dont tell me about how i can make it shorter, i know it's possible)