if ([gestureRecognizer state] == UIGestureRecognizerStateEnded)
	{

		NSArray *keys = [letterDictionary allKeys];

		int nKey = [keys count];
		for(int k1 = 0; k1 < nKey; ++ k1) { for(int k2 = k1 + 1; k2 < nKey; ++ k2) 	{
			if ( CGRectIntersectsRect( ((UIView*) [letterDictionary objectForKey:[keys objectAtIndex:k1]]).frame,  ((UIView*) [letterDictionary objectForKey:[keys objectAtIndex:k2]]).frame ) ) {

				NSLog(@"Touched");

			}
		}
		}