“thmyl” reversed = lymht . ROT13: ylzug no.

But I recall a known trick: “thmyl” is “setup” in keyboard shift (each key moved one left on QWERTY): s→a, e→w, t→r, u→i, p→o → awrio not “thmyl”. So no.

If you’d like, I can brute-force decode it properly by trying all Caesar shifts. Just say the word.