Bip39 buffer is not defined https://list.ly/abregeouoh Although it makes use of BIP32 strategy you'll be able to still import BIP39 seeds into Electrum wallet. Also apart from BIp32 There's BIP44 Model which some wallet use with the technology of seeds. This works since BIP39 is supported by a great number https://apollobookmarks.com/story20038539/bip39-ethereum-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-english-word-list-https-x-com-tundra838554