Bip39. You would probably then do a standard recovery using a command much like the one beneath. (This command takes advantage of a sample wallet file bunlded with BTCRecover) What constitutes a "very good wallet" is one that has very clear, very easy to accessibility documentation on supported BIP benchmarks, https://mysocialguides.com/story5037731/bip39-list-https-linktr-ee-bip39-top-guidelines-of-bip39-words