BRD Wallet Recovery - Only have the first 11 words
Open source Bitcoin wallet password and seed recovery tool: https://github.com/gurnec/btcrecover
Details about solving a problem involving bip 39 seed by brute forcing: https://medium.com/@johncantrell97/how-i-checked-over-1-trillion-mnemonics-in-30-hours-to-win-a-bitcoin-635fe051a752
Similar questions with some good answers