Bip39 mnemonic example https://papaly.com/1/eMEf Though it uses BIP32 technique it is possible to even now import BIP39 seeds into Electrum wallet. Also besides BIp32 There may be BIP44 version which some wallet use for that generation of seeds. BIP39 is like the ability to “study” and recognize the seed phrase. https://followbookmarks.com/story20105612/bip39-balance-checker-5-tips-about-bip39-standard-you-can-use-today-https-dzen-ru-bip39-phrase-com