Bip39 word list https://www.anobii.com/en/01000289012ff9b293/profile/activity Though it utilizes BIP32 technique you'll be able to continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 version which some wallet use for the generation of seeds. Thanks to the cryptographic style and design of BIP-39, a weak passphrase https://bookmarksparkle.com/story20136676/bip39-cryptotag-not-known-factual-statements-about-bip39-word-list-txt-https-dzen-ru-bip39-phrase-com