My first Aristocrat
Introduction
This is an Aristocrat: one cipher letter always represents one different plaintext letter, with word divisions and punctuation preserved. Make the first guess from a word pattern, not from a theme. A one-letter word is A or I; doubled symbols must become doubled letters; repeated word shapes must decode identically. Combine those constraints with Frequency analysis, then record one tentative cipher-to-plain mapping in Hypothesis and apply it through Simple substitution. Inspect every place that mapping appears. Keep it only if it creates several plausible fragments without forcing two cipher letters to the same plaintext letter. Repeat with supported mappings, undo contradictions immediately, and submit only when every word and the full one-to-one alphabet are consistent.
Count overlapping units and compare their distributions.
AGF KGIF HLEX WFUQXGYFWX, DFUXL XRL VWXXLFH GA LWYR IQLAIM DGFZ TLAGFL HWJUHS MLXXLFQ. FLVLWXLZ VGQUXUGHQ UH XRL YUVRLF DGFZ JIQX FLVLWX UH XRL VMWUHXLEX DGFZ, WHZ ZUAALFLHX VGQUXUGHQ JIQX FLJWUH ZUAALFLHX IHMLQQ XRL YUVRLF QKJTGMQ JWXYR. IQL GHL-MLXXLF DGFZQ, ZGITMLZ MLXXLFQ, WVGQXFGVRLQ, WHZ YGJJGH QIAAUELQ WQ UHXLFQLYXUHS YGHQXFWUHXQ. YGJVWFL AFLCILHX YUVRLF QKJTGMQ DUXR YGJJGH LHSMUQR MLXXLFQ, TIX MLX DGFZ QXFIYXIFL YGHAUFJ XRL YRGUYL. FLYGFZ LNLFK XLHXWXUNL YUVRLF-XG-VMWUH JWVVUHS WHZ VFGVWSWXL UX XRFGISR XRL DRGML YFKVXGSFWJ UJJLZUWXLMK. W SGGZ JWVVUHS YGJVMLXLQ AFWSJLHXQ UH QLNLFWM VMWYLQ; W TWZ GHL YFLWXLQ YGHXFWZUYXUGHQ GF AGFYLQ XDG YUVRLF MLXXLFQ GHXG GHL VMWUHXLEX MLXXLF. OLLV W YMLWH ZUQXUHYXUGH TLXDLLH SILQQLQ WHZ YGHAUFJLZ JWVVUHSQ. FLVLWXLZ YUVRLF DGFZQ JIQX WMDWKQ ZLYGZL XRL QWJL DWK. FWFL MLXXLFQ, HWJLQ, WHZ CIGXWXUGHQ YWH ZLMWK XRL AUHWM ALD QKJTGMQ, QG IQL QIFFGIHZUHS SFWJJWF DUXRGIX DLWOLHUHS XRL GHL-XG-GHL FIML. AUHUQR TK YRLYOUHS LNLFK GYYIFFLHYL GA LNLFK JWVVUHS, HGX JLFLMK FLWZUHS XRL QLHXLHYL AGF QLHQL.
Compare word shapes, terminals, contacts, and reversals.
ABCDEFGHIJKLMNOPQRSTUVWXYZ