Thmyl-ttbyq-bnf-llayfwn

This doesn’t look like English yet.

thmyl-ttbyq-bnf-llayfwn

Could this be a code for “make paper” as in create a physical paper cutout or origami with letters? thmyl-ttbyq-bnf-llayfwn

Try — not promising.

It looks like you’ve provided a string: This doesn’t look like English yet

Together: gsnbo-ggy bj-ymu-oozbudm → no, that’s not readable.

thmyl (Atbash) → g s n b o ttbyq → g g y b j bnf → y m u llayfwn → o o z b u d m thmyl-ttbyq-bnf-llayfwn

Let me try the whole thing quickly with an automated thought: