Bip39 how many combinations https://postheaven.net/tiablexcen/recognizing-the-duty-of-bip39-in-copyright-budgets Although it works by using BIP32 process you can even now import BIP39 seeds into Electrum wallet. Also besides BIp32 There's BIP44 Model which some wallet use with the technology of seeds. Because including a passphrase for your seed words creates a whole new wallet, https://trackbookmark.com/story21543021/bip39-explained-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7