t↔g h↔s m↔n y↔b l↔o → gsnbo
The text: thmyl brnamj zf awrj ly alkybwrd kn2000 The word ly appears twice; in English, two-letter words are often is , it , in , on , at , my , by , to , of , etc. kn2000 looks like kn followed by a year, possibly in 2000 . thmyl brnamj zf awrj ly alkybwrd kn2000
Atbash: a↔z, b↔y, c↔x, etc.
thmyl → g s n b o? Let's do systematically: t (20) ↔ g (7) h (8) ↔ s (19) m (13) ↔ n (14) y (25) ↔ b (2) l (12) ↔ o (15) So thmyl → gsnbo (not English). t↔g h↔s m↔n y↔b l↔o → gsnbo The