Bip39 first 4 letters http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf Checksum generation: A checksum is generated from this entropy working with SHA-256 hashing, which helps validate the mnemonic's integrity later on. Every word’s 1st four people are exclusive, allowing for wallets to establish the correct word even though only Component of it is actually entered. https://classifylist.com/story22550228/bip39-mnemonic-phrase-word-list-not-known-details-about-bip39-word-list-txt-https-x-com-tundra838554