For words that have only 3 letters, there's no 4th letter. By way of example with the word “incorporate”, there are no much more letters afterwards and so has to be the word "add". The word “addict” is during the BIP39 wordlist however , you might have employed “addi” for https://getsocialnetwork.com/story4292736/considerations-to-know-about-bip39-seed-phrase-generator