Bip39 checksum failed https://andersonsaeu988.iamarrows.com/bip39-generator-online-the-best-devices-for-secure-wallet-creation Even though it uses BIP32 technique you are able to however import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There is certainly BIP44 Edition which some wallet use for the generation of seeds. For words that have only three letters, there is no https://www.empowher.com/user/4550298