Bip39 Vs Slip39. You would then do a standard recovery that has a command much like the just one under. (This command works by using a sample wallet file bunlded with BTCRecover) Any one else who discovers the phrase can steal the bitcoins. It has to be kept magic formula, https://dftsocial.com/story19548224/bip39-wallet-https-linktr-ee-bip39-a-review-of-bip39-generator