Code for hangman

using UnityEngine;
using System.Collections;


public class Hangman : MonoBehaviour
{

	public string[] words;
	private int lifes = 10;
	private string userInput = "";
	private string guessedword = "";
	public string wordChosen = "";

	private void Start()
	{
		wordChosen = words[Random.Range(0, words.Length)];
		guessedword = new string("-"[0] , wordChosen.Length);
	}

	private void OnGui()
	{
		if (lifes > 0 && guessedword != wordChosen)
		{

			GUILayout.Box(guessedword);
			userInput = GUILayout.TextField(userInput);
			if(GUILayout.Button("Try"))
		{
			if (userInput.Length > 1)
				print("Please Enter One Character At A Time :)");
			else
				checkChar(userInput[0]);
			}
		}
		else
		{
			if (lifes > 0)
				GUILayout.Box("Congratulations! You Win!");
			else
				GUILayout.Box(" Awww You Lose :(");
		}
	}

	private void CheckChar(char c)
	{
		bool charExists = false;
		for(int x = 0; x = wordChosen.length; x++)
		{

		if (wordChosen[x] == c)
			{
				charExists = true;
				string temp = guessedWord.Substring(0 , x);
				guessedWord = temp + c.ToString() + guessedWord.Substring(x + 1, guessedWord.Length - x - 1);
			}
		}

		if(!charExists)
			lifes --;

	}
}