Find the last word of BIP39 mnemonic seeds
To use it symply run the python script with
python3 lastword.py
then answer the prompted questions. You'll obtain a mnemonic seed that respects the BIP39 standard. Use safe methods to chose the first words of your mnemonic seed. Remember that human mind is not good in generating random stuff.
This tool comes with no guarantee. Always check the seeds in a safe environment with tools like Ian Coleman's BIP39.