Bip39 list https://archerujcb329.tearosediner.net/comprehending-the-function-of-bip39-in-copyright-pocketbooks While it employs BIP32 system you'll be able to continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 There exists BIP44 version which some wallet use for the generation of seeds. This functions because BIP39 is supported by a great number of wallet makers. https://www.slideserve.com/lewarthbfp/getting-a-bip39-phrase-in-python-a-comprehensive-tutorial