Simple password generator

# include <iostream>
using namespace std;
#include <iomanip>
#include <math.h>
#include <cmath>
#include <string>

int main()
{
    int n;
    int l;
    cin >> n;
    cin >> l;
    int counter1;
    int counter2;
    int counter3;
    int counter4;
    int counter5 = 1;
    for (counter1 = 1; counter1 < n; counter1++) {
        for (counter2 = 1; counter2 < n; counter2++) {
            for (counter3 = 97; counter3 < l + 97; counter3++) {
                char letter1 = int(counter3);
                for (counter4 = 97; counter4 < l + 97; counter4++) {
                    char letter2 = int(counter4);
                    for (counter5 = 1; counter5 <= n; counter5++) {
                        while (counter5 <= n)
                        {
                            if (counter5 > counter1&& counter5 > counter2) {
                                cout << counter1 << counter2 << letter1 << letter2 << counter5 << " ";
                            }
                            counter5++;
                        }
                    }
                }

            }
        }
    }


    return 0;
}