Calculate combinations for a range of text values in excel

I do not know enough about M in PowerQuery to work out how to solve the below.

Calculate combinations for a range of text values in excel

I do not know enough about M in PowerQuery to work out how to solve the below.

Calculate combinations for a range of text values in excel

I do not know enough about M in PowerQuery to work out how to solve the below.

Calculate combinations for a range of text values in excel

I do not know enough about M in PowerQuery to work out how to solve the below.

Calculate combinations for a range of text values in excel

I do not know enough about M in PowerQuery to work out how to solve the below.