Question: How to create all possible lists containing m elements from an n element list?

Hey everyone,

New here but I'm a bit stuck. Ive looked around in list tools as well as tried but I havent had any luck.

Suppose I have a list defined as FirstList:=[A,B,C,D,E,F]. Now I want to create (and label) all possible
lists from FirstList which contain 4 elements which dont have an element repeated within the same list
In this example, there are 15 lists in total i.e.



Is there a simple way to do this???

Any help is appreciated!

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