For words that have only 3 letters, there isn't a 4th letter. By way of example with the word “include”, there isn't any a lot more letters Later on and thus needs to be the word "incorporate". The word “addict” is from the BIP39 wordlist but you would've employed “addi” https://lingeriebookmark.com/story8672138/examine-this-report-on-bip39-mnemonic-phrase-tool