Bip39 compliant passphrase https://www.anime-planet.com/users/zoriuswxxq Even though it works by using BIP32 method you may nonetheless import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There exists BIP44 version which some wallet use for that technology of seeds. bip39-phrase.com is an informational blog site devoted to systems and tools https://macrobookmarks.com/story20552988/bip39-format-bip39-compatible-wallet-options-https-x-com-tundra838554