Start by solving the cryptogram that follows, which is a straightforward code in which each letter of the alphabet has been replaced by another.
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P RXKII PF ZHI CKDHXIK ZK ZKNK IM DMQVUKFKUJ XLUPTK PL KXKNJ ZHJ. CXF, UPTK CHDML HLE KRRI, ZK IKKQKE FM CK HCMXF VKNOKDF FMRKFGKN - CXF LMF IM RMME HVHNF. MUPYKN GHNEJ.
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Now try to find a keyed phrase (4, 3, 7, 4, 4) connected with the cryptogram. Against each letter of plain text (line 1) write its encoded form (line2). Then, against each letter of code text (line 3) write its plain text form (line 4). you will find that some letters in line 4 are in alphabetical order; the letters that not are those that make up the key phrase. They appear in their correct order, although, of course, repeated letters have been omitted and must be replaced, for example ANPLEDY would be all that would appear of ‘an apple a day’.
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1. ABCDEFGHIJKLMNOPQRSTUVWXYZ
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2.
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3. ABCDEFGHIJKLMNOPQRSTUVWXYZ
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4.
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