For words that have only 3 letters, there's no 4th letter. For example with the word “add”, there isn't any far more letters afterwards and so should be the word "increase". The word “addict” is while in the BIP39 wordlist however , you would've employed “addi” for “addict”. Shop your https://bookmarkassist.com/story18778485/bip39-seed-phrase-mnemonics-generator-an-overview