#include <string>
#include <iostream>
#include <iomanip>
 
using namespace std;
 
 
int main()
{
    string alphabet;
    cin >> alphabet;
 
    int wordsCount = 9 + rand()%4;  // Случайное количество слов
    for(int i = 0; i < wordsCount; ++i)
    {
        int wordLength = 5 + rand()%10;  // Случайная длина слова
        string word;
        for(int j = 0; j < wordLength; ++j)
            word += alphabet[rand()%alphabet.length()];
        cout << word << endl;
    }
 
}
 

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