VALID WORDS

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You are given a single string containing some words.The string contains numbers and letters in lowercase. A valid word is a word whose second letter is a vowel and first letter is not a digit.You have to find the lexicographically smallest string which consists of the first letters of all the valid words given. You can assume that all words have length greater than equal to two. There will be at

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solution.cppC++17

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