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Puzzle 5 


Place letters into the grid such that every row, column, and 2x2 block has letters (in any order) that form a common word. Each letter is only used once, and no letter is repeated in the rows / cols / blocks.

Letters allowed: W A R M T H

Note: this puzzle is not interactive, and the squares cannot be clicked.

Puzzle Copyright © Alan Stillson and Frank Longo

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Puzzle 6 


What number completes this sequence:

4  15  14  11  5  ?

Puzzle Copyright © Kevin Stone

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Puzzle 7 


Which three US states have been merged together:
C O N E A L H I W J I F E R S O R O N I E Y A

Puzzle Copyright © Kevin Stone

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Puzzle 8 


What is made from nothing …

… yet you can see it?

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