Removing certain entries from a list of combinations

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Starting with an additive group Zn (group of integers modulo n) to find all combinations of m elements, removing all translates of a combination. By a translate T+i of combination T, I mean the combinations whose elements can be expressed as a+i for each a in T , where i is a fixed non-zero in Zn .

For example if we run this

n=int(input("Enter the order of the group Zn : "))
G=Zmod(n)
m=int(input("Enter the order of the  Combination required: "))

CMB= Combinations(G,m) 
show(CMB.list())

Then for n=5 and m=3 we get the following output
𝙲𝙼𝙱=[[0,1,2],[0,1,3],[0,1,4],[0,2,3],[0,2,4],[0,3,4],[1,2,3],[1,2,4],[1,3,4],[2,3,4]]

For example, here the translates of [0,1,2] are [1,2,3], [2,3,4],[0,3,4],[0,1,4] for i =,1,2,3,4, respectively

I want to retain only [0,1,2] and remove all its translates from the output.