Bip39 mnemonic github https://edgargvkh682.theburnward.com/a-novice-s-overview-to-getting-a-bip39-mnemonic-expression While it works by using BIP32 approach you may continue to import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There exists BIP44 Edition which some wallet use to the era of seeds. BIP32 and BIP44 operate collectively so as to add overall flexibility, https://tbookmark.com/story20656160/bip39-buffer-is-not-defined-the-single-best-strategy-to-use-for-bip39-word-list-txt-https-dzen-ru-bip39-phrase-com