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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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AAFC
aah
aajaa
aajee
AAM
aapa
AAR
aardvark
aardwolf
aargh
Aarhus
Aaron
Aaron’s beard
Aaron’s rod
AARP
aarti
AAS
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aa
aa [  ]


noun 
Definition:
 
volcanic rock: solidified lava with a rough jagged surface and sharp angular features
[Mid-19th century. < Hawaiian a-'a]
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