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## arrWordList = ["aba", "aabb", "abcd", "bac", "aabc"] ## Example 1
## arrWordList = ["aabb", "ab", "ba"] ## Example 2
arrWordList = ["nba", "cba", "dba"] ## Example 3
arrCharList = ["".join(sorted(list(set([*strWordLoop])))) for strWordLoop in arrWordList]
arrOutputList = [1 for nRowLoop in range(0, len(arrCharList) - 1) for nColLoop in range(nRowLoop + 1, len(arrCharList)) if arrCharList[nRowLoop] == arrCharList[nColLoop]]
print (len(arrOutputList))
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