bld memo method

Hello, I have an app (for Windows) and inside the Timer section, there is a tool called "BLD Helper" that is designed to give you the memo of any NxN. If that can be useful and can bring you some value, please try it here and give me some feedback about it, thanks in advance. The naming...

I tried this today and seemed easier to throw together and as easy for me to recall as letter pairs… maybe easier. PAO of course being Person, Action OBject. There are many letter pairs that I’ve been having trouble remembering or never really had a good one… but this is fairly easy to come up...