Ada
ASCII
Abelson
AR
Abba
Acadia
Aden
Abelian
Aalborg
Achilles
AMA
ANSI
Abraxas
Aarhus
Addressograph
Abernathy
Ackley
Abbott
ACS
AAA
Abu
AI
Adirondacks
Aberystwyth
Abigail
Adams
ASAP
Abe
AC
Abos
Abraham
AL
Achitophel
Actaeon
APS
Abyssinians
Adam
Acis
Abelard
Ackerman
ACM
Absalom
AZ
Abidjan
ARCO
Aaronic
Adige
Abel
AKA
Aaron
Acton
Adirondack
Addington
Achaean
Addams
Actinia
Acarus
Adamson
Abbeydale
AAU
Aalesund
Adelia
Adair
Abner
Accra
AAAS
Abramson
Aberdeen
Adenauer
ARPA
Abram
Acta
ALU
Abyssinian
Addis
Actium
Adelaide
Abele
Accrington
Addison
Abbevillian
Achates
Abernethy
Adele
Achaemenid
Abbado
ASTM
Aargau
Abrams
Achernar
Adamite
Abravanel
Adar
Abelmosk
Acapulco
Abilene
Aachen
Aceldama
AK
Abyssinia