For words that have only 3 letters, there's no 4th letter. For instance with the word “incorporate”, there won't be any additional letters Later on and thus should be the word "increase". The word “addict” is inside the BIP39 wordlist but you would have utilized “addi” for “addict”. Standard recovery https://altbookmark.com/story21383947/examine-this-report-on-bip39-mnemonic-phrase-tool