The NSA recently declassified their Cryptolog internal magazine. I would like to share one gem from Cryptolog XIV, No. 1 – 1st Issue 1987:
“NSA” PUZZLE
The occurrence of “NSA” as a letter sequence in English words is rather uncommon. Some of the rare examples are show below. Fill in the blanks to reconstruct the “NSA” words defined.
Crazy _ n s a _ _ “Land of Opportunity” _ _ _ _ n s a _ Lacking sodium chloride _ n s a _ _ _ _ Pay for damages _ _ _ _ _ n s a _ _ Miniature tree _ _ n s a _ Unable to be satisfied _ n s a _ _ _ _ _ _ Across the ocean _ _ _ n s a _ _ _ _ _ _ _ Middle eastern inn _ _ _ _ _ _ n s a _ _ Unhealthful (as a climate) _ n s a _ _ _ _ _ _ _ _ Not spoken _ n s a _ _ Search thoroughly _ _ n s a _ _ Deny or contradict _ _ _ n s a _ Not paid regularly _ n s a _ _ _ _ _ _ Relationship by descent from a common ancestor _ _ n s a _ _ _ _ _ _ _ _ Unclean _ n s a _ _ _ _ _ _ Result of a bank visit _ _ _ n s a _ _ _ _ _ Disagreeable or disgusting _ n s a _ _ _ _ Type of roof _ _ n s a _ _ Sail on a square-rigged vessel _ _ _ n s a _ _ Able to combine with other substances _ n s a _ _ _ _ _ _ _ 1st Issue 1987 * CRYPTOLOG * page 29
FOR OFFICIAL USE ONLY
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