For words that have only three letters, there is not any 4th letter. Such as with the word “increase”, there isn't any a lot more letters Later on and therefore has to be the word "incorporate". The word “addict” is inside the BIP39 wordlist but you might have utilised “addi” https://mysocialguides.com/story4201988/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news