Bip39 combinations https://writeablog.net/ipennywpzc/the-ultimate-overview-to-offline-bip39-generators-remain-secure Though it utilizes BIP32 process it is possible to however import BIP39 seeds into Electrum wallet. Also apart from BIp32 You can find BIP44 Edition which some wallet use for your generation of seeds. This functions because BIP39 is supported by countless wallet produce... https://cyberbookmarking.com/story20531844/bip39-copyright-the-5-second-trick-for-bip39-mnemonic-code-converter-tool-https-t-me-bip39-chat