Bip39n code https://www.anobii.com/en/01000289012ff9b293/profile/activity While it takes advantage of BIP32 process you could nevertheless import BIP39 seeds into Electrum wallet. Also aside from BIp32 There's BIP44 Variation which some wallet use for the generation of seeds. BitBox02 - A successor for the BitBox collection, this components wallet supports BIP39 seed phrases https://onlybookmarkings.com/story19793781/bip39-how-many-combinations-how-bip39-wallet-can-save-you-time-stress-and-money-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw