Bip39 validator https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts Even though it takes advantage of BIP32 strategy you may however import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There may be BIP44 version which some wallet use for that era of seeds. BIP32 and BIP44 perform together to include overall flexibilit... https://bookmarklayer.com/story20708662/bip39-ian-coleman-bip39-passphrase-generator-options-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw