ANSI
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Abel
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Abramson
AMA
AC
Addison
ASAP
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Achernar
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Aalborg
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Acta
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Absalom
AAAS
ASTM
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Aarhus
Abe
Ada
Adar
Adelaide
Abelson
Achaemenid
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AK
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Abbott
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Adirondack
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ARPA
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ASCII
ACM
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Adair
AR
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Abelmosk
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Abner
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Acapulco
Addis
Abu
ARCO
Abidjan
Abernathy
Actium
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AKA
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ALU
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Abraham
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AAU
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AL
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AAA
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AZ
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APS
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