Maybe it’s a simple letter shift: Try ROT13:
So final:
“smegrewes” = “sewergems” reversed — could be intended as “sewer gems” (literal). “alkrak” reversed is “karkla” — not common. “jmanrb” reversed “brnamj” — maybe “barn jm”? However, I notice: reversed: smegrewes → sounds like “smeg” (slang) + “rewes” (?) but “rewes” = “sewer” backwards. “smeg” + “sewer” maybe “smeg sewer” thmyl brnamj sewergems m alkrak
t→g, h→u, m→z, y→l, l→y → guzly — not clear. Could it be is in “thmyl” scrambled? Rearranging letters: thmyl → myth + l → “myth l”? Maybe it’s a simple letter shift: Try ROT13:
Another thought: could be a in English: