#include <iostream>
#include <cstdlib>
#include <string>

using namespace std;

string randstr()
{ int n = random() % 12 + 8;
  string r;
  for (int i = 0; i < n; i += 1)
    r += (char)(random() % 26 + 'a');
  return r; }

void print(string arr[], int num)
{ for (int i = 0; i < num; i += 1)
    cout << arr[i] << " ";
  cout << "\n"; }

int main(int argc, char * argv[])
{ int num = 1024;
  if (argc > 1)
  { char * c;
    num = strtol(argv[1], & c, 10);
    if (* c != '\0')
    { cerr << "'" << argv[1] << "' is not a proper number\n";
      exit(1); } }

  string * arr = new string[num];

  srandomdev();
  for (int i = 0; i < num; i += 1)
    arr[i] = randstr();
  print(arr, num); }