Bip39 how many combinations https://files.fm/u/2eemhhak2q#design While it uses BIP32 process you may however import BIP39 seeds into Electrum wallet. Also other than BIp32 You can find BIP44 version which some wallet use for your era of seeds. The BIP39 word list can be a list of 2,048 diligently picked words https://socialimarketing.com/story6206230/bip39-seed-to-private-key-about-bip39-2048-words-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw