: Without the cipher key, it’s an unsolved linguistic riddle — a perfect little mystery for puzzle hunters online.

Still not clear. rydr might be ryder (missing e?) or rider . rby could be ruby or RBY as initials. mjana could be majna or Mjana (name).

→ yimznq (no)

Let me test: thmyl reversed = lymht . lymht Caesar shift -1 = kxlgs (no). lymht shift +2 = nbojv (no). : This is Atbash + reversed words :

"Smith barn jam goodbye rider 9 ruby jaman"

This looks like a coded or scrambled phrase. Let me try to interpret it first.