Tkwn-dmwak-mn-ajly -

d(4)-5=-1→25=y m(13)-5=8=h w(23)-5=18=r a(1)-5=-4→22=v k(11)-5=6=f → yhrvf

But maybe the key is different. Try (A↔Z, B↔Y, etc.)? Atbash of t = g , k = p — not matching common words. tkwn-dmwak-mn-ajly

t=20 → s=19 k=11 → j=10 w=23 → v=22 n=14 → m=13 → sjvm etc.)? Atbash of t = g