Bip39 copyright https://atavi.com/share/xbwf7vz16jgof Even though it makes use of BIP32 system you'll be able to even now import BIP39 seeds into Electrum wallet. Also apart from BIp32 You can find BIP44 Model which some wallet use for your era of seeds. For words that only have three letters, there is https://bookmarkmiracle.com/story21709811/pip-install-bip39-new-step-by-step-map-for-bip39-word-list-txt-https-t-me-bip39-chat