il codice è questo...

codice:
#include <cstdlib>
#include <iostream>
#include <fstream.h>

using namespace std;

int main(int argc, char *argv[])
{
    ofstream out;
    char alfabeto[]={'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','1','2','3','4','5','6','7','8','9','0',',','.'
    };
    char parola[12];
    out.open("alfabeto.txt", ios::out);
    for(int c1=0;c1<64;c1++)
    {
         for(int c2=0;c2<64;c2++)
         {
                 for(int c3=0;c3<64;c3++)
                 {
                         for(int c4=0;c4<64;c4++)
                         {
                                 for(int c5=0;c5<64;c5++)
                                 {
                                         for(int c6=0;c6<64;c6++)
                                         {
                                                 for(int c7=0;c7<64;c7++)
                                                 {
                                                          for(int c8=0;c8<64;c8++)
                                                           {
                                                         parola[0]=alfabeto[c1];
                                                         parola[1]=alfabeto[c2];
                                                         parola[2]=alfabeto[c3];
                                                         parola[3]=alfabeto[c4];
                                                         parola[4]=alfabeto[c5];
                                                         parola[5]=alfabeto[c6];
                                                         parola[6]=alfabeto[c7];
                                                         parola[7]=alfabeto[c8];
                                                         parola[8]='B';
                                                         parola[9]='G';
                                                        parola[10]='\n';
                                                         out.write(parola, sizeof(parola));
 }
 }
 }
 }
 }
 }
 }   
 }
    out.close();
    system("PAUSE");
    return EXIT_SUCCESS;
}

il risoltato è questo...

codice:
AAAAAAAABG
 AAAAABAABG
 AAAAACAABG
 AAAAADAABG
 AAAAAEAABG
 AAAAAFAABG
 AAAAAGAABG
 AAAAAHAABG
 AAAAAIAABG
 AAAAAJAABG
 AAAAAKAABG
 AAAAALAABG
 AAAAAMAABG
 AAAAANAABG
 AAAAAOAABG
 AAAAAPAABG
 AAAAAQAABG
 AAAAARAABG
 AAAAASAABG
 AAAAATAABG
 AAAAAUAABG
 AAAAAVAABG
 AAAAAWAABG
 AAAAAXAABG
 AAAAAYAABG
 AAAAAZAABG
 AAAAAaAABG
 AAAAAbAABG
 AAAAAcAABG
 AAAAAdAABG
 AAAAAeAABG
 AAAAAfAABG
 AAAAAgAABG
 AAAAAhAABG
 AAAAAiAABG
 AAAAAjAABG
 AAAAAkAABG
 AAAAAlAABG
 AAAAAmAABG
 AAAAAnAABG
 AAAAAoAABG
 AAAAApAABG
 AAAAAqAABG
 AAAAArAABG
 AAAAAsAABG
 AAAAAtAABG
 AAAAAuAABG
 AAAAAvAABG
 AAAAAwAABG
 AAAAAxAABG
 AAAAAyAABG
 AAAAAzAABG
 AAAAA1AABG
 AAAAA2AABG
 AAAAA3AABG
 AAAAA4AABG
 AAAAA5AABG
devo sistemare, il primo spazio davanti ad ogni cosa...