Thmyl-ttbyq-layk-stwry -

This doesn’t directly match a common phrase or known code, but it has the structure of a (each hyphenated chunk could be a word).

Try: thmyl → sglxk (nope) (shift each letter back by 1): t→s, h→g, m→l, y→x, l→k → sglxk (no) thmyl-ttbyq-layk-stwry

It looks like you’ve provided a string of letters and hyphens: This doesn’t directly match a common phrase or