Dear All, I'd like to have a figure like below (need not to be exactly the same).

Array

I make up the following data (may not be complete, but I do not know what else data need to be provided).
Code:
* Example generated by -dataex-. To install: ssc install dataex
clear
input str20(y x) str10 markers
"CEO"      "Co-opt" "a"
"Dividend" "Co-opt" "b"
"Leverage" "Co-opt" "c"
"CEO"      "SP"     "d"
"Dividend" "SP"     "e"
"Leverage" "SP"     "f"
end
Any suggestions are highly appreciated. Thanks.