I am very surprised not to find a similar idea. Really many players are so masochists that they use only one mouse? Personally, I'm not ready to put up with it. 


A) Combinations and hot keys on the screen of system



B)  Hot keys and combination for the main viem



C) Hot keys and combination in advanced battle setup



D) Various another examples



If someone has a suggestion, write them in the comments and I will add.