Bip39 Passphrase. You should then do a basic recovery with a command just like the 1 down below. (This command uses a sample wallet file bunlded with BTCRecover) And you should have prepared it down for those who had been hoping to maintain a choice open to restore your accounts. https://leftbookmarks.com/story19394507/bip39-passphrase-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained