Func4

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;

void fnc(string x, set<string> &a)
{
    for (int i = 0; i < x.size() - 1; i++)
    {
        swap(x.at(i), x.at(i + 1));
        a.insert(x);
        swap(x.at(i), x.at(i + 1));
    }
}

int main()
{
    string x;
    cin >> x;
    set<string> a;
    fnc(x, a);
    return 0;
}