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class Solution:
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    def wordSubsets(self, A: List[str], B: List[str]) -> List[str]:
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        freq = [0] * 26
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        for w in B:
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            temp = [0] * 26
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            for c in w:
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                temp[ord(c) - 97] += 1
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            for i in range(26):
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                freq[i] = max(freq[i], temp[i])
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        ans = []
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        for w in A:
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            temp = [0] * 26
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            for c in w:
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                temp[ord(c) - 97] += 1
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            if all(freq[i] <= temp[i] for i in range(26)):
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                ans.append(w)
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        return ans