Hangman Game help

It works good if you get the word right, but when it starts, if i get all my guesses wrong and then type y to restart it does not, it just stays put..




#include <iostream>

#include <string>

#include <vector>

#include <algorithm>

#include <ctime>

#include <cctype>


using namespace std;

string THE_WORD; // guess word

int wrong;

string soFar; 

string used;

bool match(char letter, string word);

char askGuess(string usedLettersStr); 

bool playAgain();

int main()  //main

{

 srand(time(0)); //gets the random word

 vector<string> words; // list of words to get

 words.push_back("BROWN");

 words.push_back("GOLD");

 words.push_back("GREY");

 words.push_back("SILVER");

 words.push_back("BLACK");

 words.push_back("WHITE");

 words.push_back("PURPLE");

 words.push_back("PINK");

 words.push_back("YELLOW");

 words.push_back("GREEN");

 words.push_back("RED");

 words.push_back("BLUE");

 

//title

cout<<"\n\n";

cout<< "\t##  ##   ####    ##   ##   ###     ##      ##   ####    ##   ##\n";

cout<< "\t##  ##  ##  ###  ###  ##  ##       ###    ###  ##  ###  ###  ##\n";

cout<< "\t######  #######  ## # ##  ##  ###  ## #  # ##  #######  ## # ##\n";

cout<< "\t##  ##  ##   ##  ##  ###  ##   #   ##  ##  ##  ##   ##  ##  ###\n";

cout<< "\t##  ##  ##   ##  ##   ##   ####    ##  ##  ##  ##   ##  ##   ##\n\n";


 cout << "\t\t\t   Hangman 2010 - Wayne Daly\n";

 

 cout<< "\n\n\nHINT: The word is a colour\n";

 // loop starts here

 bool done = false;

 do

 {

  const int MAX_WRONG = 8; // maximum number of incorrect guesses allowed before death, change your total lives here

  random_shuffle(words.begin(), words.end());

  THE_WORD = words[0]; // word to guess

  soFar = string(THE_WORD.size(), '*'); // word guessed so far

  used = ""; // letters already guessed

  // loop for current word

  while ((wrong < MAX_WRONG) && (soFar != THE_WORD))

  {

   cout << "\n\nYou have " << (MAX_WRONG - wrong)

    << " Lives left.\n";

   cout << "\nYou've picked the following correct letters:\n" << used

    << endl;

   cout << "\nSo far, the word is:\n\n" << soFar << endl;

   used += askGuess(used);

   {

   } // end of while 

   


  }

  if (wrong == MAX_WRONG) //when all your lives are gone

  {

   cout<<"\n\n";

   cout<<"   +----+     \n";

   cout<<"   |    |     \n";

   cout<<"   |    O     \n";

   cout<<"   |   /|\\   \n";

   cout<<"   |   / \\   \n";

   cout<<"   |Your Dead \n";

   cout<<"  ============\n\n";

   

   

  }

  cout << "\nThe word was " << THE_WORD << endl;

 } while (playAgain());

 return 0;

}

inline bool match(char letter, string word)

{

 return (word.find(letter) != string::npos);

}

char askGuess(string usedLettersStr)

{

 char guess;

 cout << "\n\nEnter your guess: ";

 cin >> guess;

 guess = toupper(guess); //make uppercase since secret word in uppercase

 while (used.find(guess) != string::npos)

  while (match(guess, used))

  {

   cout << "\nYou have already guessed " << guess << endl;

   cout << "Enter your guess: ";

   cin >> guess;

   guess = toupper(guess);

  }

 

 if (match(guess, THE_WORD))

 {

  cout << "That's right! " << guess << " is in the word.\n";

 }

 else

 {

  cout << "Sorry, " << guess << " isn't in the word.\n";

  ++wrong;

 }

 // update soFar to include new guessed letter

 for (unsigned int i = 0; i < THE_WORD.length(); ++i)

  if (THE_WORD[i] == guess)

   soFar[i] = guess;

 return 0;

}

bool playAgain() //play again while clearing system

{

 char again;

 cout << "\n\nWould you like to play again? <y/n>: ";

 cin >> again;

 cin.clear(); //clear and ignore cin

 cin.ignore();

 again = toupper(again);

 system("cls");

 return (again == 'Y');

}