Bip39 table https://ameblo.jp/generate-bip39brooks/entry-12913353546.html Though it works by using BIP32 technique you'll be able to nonetheless import BIP39 seeds into Electrum wallet. Also aside from BIp32 there is BIP44 version which some wallet use to the era of seeds. Just how much protection does a passphrase include? A BIP39 passphrase noticeably https://bookmarkssocial.com/story20450425/bip39-or-slip39-the-5-second-trick-for-bip39-compatible-wallet-https-t-me-bip39-chat