public void cycleLetter(Joystick j) {
		switch (j) {
		case UP:
			if (letter == 'z')
				letter = ' ';
			else if (letter == ' ')
				letter = '.';
			else if (letter == '.')
				letter = 'a';
			else
				letter += 1;
			break;
		case DOWN:
			if (letter == 'a')
				letter = '.';
			else if (letter == '.')
				letter = ' ';
			else if (letter == ' ')
				letter = 'z';
			else
				letter -= 1;
			break;
		default:
			break;
		}
	}