Bip39 mnemonic code https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts Despite the fact that it employs BIP32 strategy it is possible to still import BIP39 seeds into Electrum wallet. Also in addition to BIp32 You can find BIP44 Edition which some wallet use to the era of seeds. For words that have only three letters, there https://bookmarks-hit.com/story21745745/bip39-eth-an-unbiased-view-of-bip39-2048-words-https-x-com-tundra838554