Bip39-Standalone. You would probably then do a simple Restoration by using a command just like the a person underneath. (This command works by using a sample wallet file bunlded with BTCRecover) Any individual else who discovers the phrase can steal the bitcoins. It has to be saved mystery, for example https://sound-social.com/story8852618/bip39-word-list-pdf-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic