Bip39 buffer is not defined https://www.divephotoguide.com/user/arwyneglmp/ While it takes advantage of BIP32 strategy it is possible to still import BIP39 seeds into Electrum wallet. Also apart from BIp32 There exists BIP44 Model which some wallet use with the era of seeds. BIP39 solves this through the use of human-readable seed https://peakbookmarks.com/story20531788/bip39-numbers-rumored-buzz-on-bip39-generator-https-t-me-bip39-chat