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Cipher Challenge

Finding Structure in Five-Letter Groups

Introduction

An introductory Patristocrat tutorial explaining why printed groups are presentation units rather than plaintext words.

TutorialPatristocratGeneral simple substitution

Count overlapping units and compare their distributions.

KZHGV PHFHK KHEQF XRJMV UTBTK EVMKX RETKT EHBEH MHUKT KVXUA UVKMU XKHUR ENBKH SLXES MKEHT KKZHR VBZHE KHDKT MXUHA UVUKH EEABK HSMKE HTYRX BNTUN EHBHT KHSMH CAHUR HMLVK ZKZHV EBXMV KVXUM VURFA SVUWM HCAHU RHMKZ TKMKT EKUHT EKZHH USXGX UHQFX RJTUS RXUKV UAHVU KXKZH UHDKR XYBTE HFVJH FNFHK KHEGE HCAHU RVHMT USFXX JGXER XYYXU HUWFV MZGET WYHUK MKZTK RXAFS XRRAE VUMVS HFXUW HELXE SMMAR ZTMVU WKZHK VXUHS XEHEL ZVFHE HYHYQ HEVUW KZTKT UNXUH GETWY HUKYT NQHYV MFHTS VUWTB BFNKH UKTKV PHMAQ MKVKA KVXUM HPHEN LZHEH TUSEH TSKZH HYHEW VUWFH KKHEM LVKZX AKVYB XMVUW MBTRH MKXXH TEFNX URHMH PHETF GETWY HUKMT WEHHK ENQXA USTEV HMKZT KREHT KHWET YYTKV RTFBZ ETMHM ETKZH EKZTU YHEHF NVMXF TKHSL XESMT MKEXU WMBTR VUWRZ XVRHM ZXAFS RXUKV UAHLX EJVUW QHNXU SXUHF XRTFM HWYHU KVGVK GXERH MTLJL TESFH GKXPH EMXUQ XKZMV SHMYX PHKZH QXAUS TENTU SKHMK TWTVU

A
B

PlainABCDEFGHIJKLMNOPQRSTUVWXYZ