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frew@mclean.com > findIsograms
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Find all isograms in a given list of strings using lambda and a helper function. Assume all words are lowercase and contain only letters. Isograms have no repeated letters.


findIsograms(["php", "wr", "python", "abcd", "java", "aaa"]) → ["wr", "python", "abcd"]

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public List<String> findIsograms(List<String> strings) { }

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