My name is Rozemarijn. I invited my friends Eleni, James, Helmut, Chiara and Pierre to participate in a fun game since we are all on Christmas holidays.

For the set up, I asked each one of them to write a message on a piece of paper, then fold it and place it in a jar. The message is composed of a couple of letters and I explained to them how to derive them. We all followed the instructions, including myself. Then I unfolded the pieces of paper to check if everybody followed my instructions correctly.

These were the 6 messages:

  • FW
  • ZT
  • PK
  • KX
  • JN
  • MC

One of the messages looked a bit weird. After a quick online search, I confirmed that one of my friends did not follow my instructions correctly. What should (s)he have written?


1 Answer 1


These are all

Abbreviations for how to say "Merry Christmas" around the world...

They are

FW - Fröhliche Weihnachten (German) ZT - Not sure? PK - Prettige Kerst (Dutch) KX - Καλά Χριστούγεννα (Greek) JN - Joyeux Noël (French) MC - Merry Christmas (English)

So, if we assume that everyone's name is based on a country of origin, then...

Chiara (Italian) should have used "BN" - “Buon Natale”

  • 1
    $\begingroup$ Specifically, rot13(HF Ratyvfu, fvapr n Oevg jbhyq or zber yvxryl gb fnl "Unccl Puevfgznf" be "UP") $\endgroup$ Dec 6, 2021 at 21:07

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