Once upon a time, our ancestors invented 22 La-tin letters like as this. Pls look for 2 remain letters...

22 alphabet letters in Prehistoric age

• 22/04/2009 00:00 - The matter of money
• 22/04/2009 00:00 - Peeping tom or dress testing?

• 24/03/2009 10:35 - High-level kungfu
• 23/03/2009 11:14 - Chinese quality
• 21/03/2009 14:48 - Unforgettable gift