really appreciate the condescension.
Click on one of the images that is close to what you need.
This takes you to a web site where you you can see if they have something that might better fit your needs.
I often make what I need as I cannot really find something that fits.
Use small push button switches that can be found at sites like Sparkfun. https://www.sparkfun.com/products/97
Make up the matrix up on a PCB and place an overlay over the switches.
See the attached image on the right hand side of a sample that I made.
I wasn't being condescending in any way.
You might do this in your communications.
You can have my permission to be a jackass once you find what I'm looking for.
This is really helpful.