Bip39 wallet app https://felixkkjt585.theglensecret.com/bip39-word-checklist-generator-crafting-your-own-special-seed-phrase Regardless that it takes advantage of BIP32 method you can still import BIP39 seeds into Electrum wallet. Also besides BIp32 There is certainly BIP44 Variation which some wallet use for that era of seeds. Because of the cryptographic design of BIP-39, a weak pas... https://socialbraintech.com/story4840113/bip39-condensed-pdf-an-unbiased-view-of-bip39-2048-words-https-t-me-bip39-chat