For words that have only 3 letters, there is absolutely no 4th letter. Such as with the word “include”, there isn't any a lot more letters afterwards and therefore has to be the word "add". The word “addict” is inside the BIP39 wordlist but you might have utilised “addi” for https://mysocialguides.com/story4203779/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news