Crack the Code!

This message has been sent to a minor diplomat of Venezuela, who has just been promoted to be the consul of Venezuelan consulate to Argentina in Corrientes. Accordingly, he wired for information about Corrientes, Argentina. One might image that the words "Corrientes" and "Argentina" will be found somewhere in the message.

Good luck!

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Frequency of cipher

 

Frequency of Spanish (Ñ = 0.17%)

A joint project of Prof. Seth Dutter and Prof. Gregory Bard of the University of Wisconsin---Stout, Department of Mathematics, Statistics, and Computer Science. (October 31, 2013)