t ↔ g h ↔ s m ↔ n y ↔ b l ↔ o
Given the lack of clear decryption, but the phrase looks like it might be a playful scramble of a common phrase. One possibility: it's an accidental keyboard shift? Or simply nonsense.
Or more likely, the original was meant to be: — which is nonsense. thmyl fylm alans walnms rb syd
— where RB Syd is some person.
But you asked me to "come up with text" — so if I treat it as an encrypted phrase and guess it's English, maybe the intended plaintext after anagramming each word is: t ↔ g h ↔ s m ↔
Another guess: maybe the spaces are misplaced. Could it be "the my lf yl ma la ns wa ln ms rb sy d" — no.
"thmyl" → "mythl" (not a word) Maybe "thmyl" = "myth l" no. Or more likely, the original was meant to
Given the difficulty, I'll assume it's a fun riddle and just produce a plausible humorous "decoded" text as if it were English with reversed words and typos: