For words that have only 3 letters, there is no 4th letter. For example with the word “increase”, there won't be any much more letters Later on and thus need to be the word "incorporate". The word “addict” is in the BIP39 wordlist however, you would have applied “addi” for http://josueaqpi312.huicopper.com/from-words-to-riches-just-how-to-successfully-make-use-of-bip39-passphrases-for-your-copyright-budgets