#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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