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