There are this many combinations of "The Three Major Inari," and a more detailed list would include "The Three Major Inari in Kanto" and "The Three Major Inari in Kyushu;" it seems that there is no end to it.
列挙すればこれだけであり、更に細分化されたものでは、関東三大稲荷や九州三大稲荷などきりがない。