The good news is, in 2012 the developer Pieter Wuille established the BIP32 specification at the base with the hierarchical deterministic wallets. Collectively with it, Pieter produced a mathematical purpose to produce a learn key from which to derive all other keys within a deterministic way. You should be in https://210list.com/story19359018/getting-my-bip39-words-to-numbers-to-work