Bip39 seed phrase list http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf Though it employs BIP32 approach you are able to nevertheless import BIP39 seeds into Electrum wallet. Also other than BIp32 There may be BIP44 Model which some wallet use for your technology of seeds. For words that only have 3 letters, there is no 4th https://socialioapp.com/story5542677/bip39-hardware-not-known-factual-statements-about-bip39-mnemonic-https-t-me-bip39-chat