Bip39 Mnemonic Brute Force Even though it utilizes BIP32 approach you'll be able to even now import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There may be BIP44 Variation which some wallet use for that era of seeds. By getting into it into a suitable copyright wallet https://bookmarkleader.com/story18550332/gen-seed-seed-phrase-generator-an-overview