#include<iostream>
#include<stdlib.h>
#include<time.h>

using namespace std;

main()
{
   srand( time( NULL ) );
   std::string t[10];

   t[0] = "a";
   t[1] = "b";
   t[2] = "c";
   t[3] = "d";
   t[4] = "e";
   t[5] = "f";
   t[6] = "g";
   t[7] = "h";
   t[8] = "i";
   t[9] = "j";


   int d=10;
   int e;

   do
   {
        e = rand() % d;
        cout << t[e] << endl << endl;

        for(int j=e; j<(d-1); j++)
        {
            t[j] = t[j+1];
        }

        d--;
   }while(d>0);

}