Enter your bip39 mnemonic https://mariobrpx591.cavandoragh.org/getting-a-bip39-phrase-in-python-a-comprehensive-tutorial Although it makes use of BIP32 method you may nonetheless import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 Model which some wallet use for the generation of seeds. For words that only have 3 letters, there's no 4th letter. https://opensocialfactory.com/story22476327/bip39-word-generator-bip39-compatible-wallet-options-https-linktr-ee-bip39