I want to create a array or matrix of all the combinations or
permutations of a certain set in an Excel spreadsheet.

I have 12 numbers (1-12) and I want to create array with all the
combination of 3 out of 12. So it would look like this:
1,2,3
2,1,3
3,2,1
...., etc
12,11,10...Well, you get the idea.

How does one create this array?

I know how to use COMBIN() and PERMUT() but those just give a number.
I want the full array.
-Don