Bip39 seed phrase list https://www.gamespot.com/profile/pothirpeib/ Though it works by using BIP32 system you'll be able to continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 You can find BIP44 Variation which some wallet use with the generation of seeds. For words that only have three letters, there https://sociallweb.com/story5499157/bip39-to-slip39-helping-the-others-realize-the-advantages-of-bip39-recovery-tool-https-dzen-ru-bip39-phrase-com