public function GetXX($number_str, $modifer)
	{
		$number_int = intval($number_str);

		if ($number_int >= 0 && $number_int < 100)
		{
			if (array_key_exists($number_int, $this->words->xx))
			{
				return $this->words->xx[$number_int];
			}
			else
			{
				throw new Exception('xx: Array index (' . $number_int . ') does not exist in JSON file.');
			}
		}
		else
		{
			throw new Exception('xx: Number is not inclusively between 0 and 99!');
		}
	}