Bip39 private key recovery tool https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide Though it utilizes BIP32 process it is possible to still import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There may be BIP44 version which some wallet use for your generation of seeds. BitBox02 - A successor to the BitBox series, this https://bookmarkfame.com/story20480752/bip39-address-the-single-best-strategy-to-use-for-bip39-word-list-pdf-https-x-com-tundra838554