“m alkrak” → alkrak could be “karlak” or “karkla” — reversed: “karkla m” → maybe “karkla” no. But one strong guess: if we reverse each word: thmyl → lymht brnamj → jmanrb sewergems → smegrewes m alkrak → karkla m
So final:
“alkrak” reversed “karkla” → maybe “karkla” = “karkla” nothing.
But “sewergems” reversed = “smeg rewes” → sounds like “smeg” and “rewes” maybe "smeg" (from Red Dwarf) and "rewes" → "sewer" backwards.
thmyl → mythl (no) brnamj → jambrn (no) sewergems → smegrewes (no) alkrak → karkla Given the lack of obvious pattern, a likely intent is just :
thmyl → lymht brnamj → jmanrb sewergems → smegrewes m alkrak → karkla m
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”?