function GeneratePassword($limit = 8) {
    $vowels = array('a', 'e', 'i', 'o', 'u');
    $const = array('b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'q', 'r', 's', 't', 'v', 'w', 'x', 'y', 'z');

    $word = '';

    for ($i = 0; $i < ($limit - 3); $i++) {
        if ($i % 2 == 0) { // even = vowels
            $word .= $vowels[rand(0, 4)]; 
        } else {
            $word .= $const[rand(0, 20)];
        } 
    }

    $num = rand(0,999);
    str_pad($num, 3, '0', STR_PAD_LEFT);

    return substr($word . $num, 0, $limit);
}