Bip39 https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts Regardless that it makes use of BIP32 approach you may however import BIP39 seeds into Electrum wallet. Also besides BIp32 There may be BIP44 Variation which some wallet use for that technology of seeds. This is effective for the reason that BIP39 is supported by a great number https://pr1bookmarks.com/story20968772/bip39-import-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-english-word-list-https-x-com-tundra838554