Bip39 how many combinations https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 Though it employs BIP32 process you could nevertheless import BIP39 seeds into Electrum wallet. Also besides BIp32 there is BIP44 Edition which some wallet use for that era of seeds. Subscribe to our weekly mailing list and get most up-to-date copyright information... https://bip39marco.mystrikingly.com/