Total number of As found: (61%) A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ Top Missing Submit. AA. Number of AAs found: (92%) AAAA - Asian Ameture Athletic Association. The Tortoise was one of the heaviest Tanks Britain ever built. This lumbering beast was armed with a potent Pounder gun, and had up to mm of Armor. Watch funny videos, upload your own and learn more about AFV, ABC's longest running primetime television show.