Bip39 Mnemonic. You'd probably then do a basic Restoration using a command like the one beneath. (This command makes use of a sample wallet file bunlded with BTCRecover) words, or enter your own private below. Mnemonics with a lot less than 12 words have lower entropy and may be guessed https://e-bookmarks.com/story4240706/bip39-passphrase-https-linktr-ee-bip39-about-ian-coleman-bip39