Fylm Alans Walnms Rb Syd: Thmyl

Still gibberish.

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: thmyl fylm alans walnms rb syd

"dys br smnlaw snala mlyf lymht"

Given the oddness, I suspect it's a simple : Still gibberish

"thmyl fylm alans walnms rb syd" reversed character by character: Still gibberish. Given the difficulty

Or more likely, the original was meant to be: — which is nonsense.

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: