For words that have only three letters, there isn't any 4th letter. Such as with the word “increase”, there isn't any additional letters Later on and thus have to be the word "increase". The word “addict” is inside the BIP39 wordlist however , you would've utilized “addi” for “addict”. Discovering https://worldsocialindex.com/story4128649/not-known-factual-statements-about-bip39-explained