"fwayd rwhanyt" could be a simple shift cipher (e.g., ROT-N). For instance, applying a ROT-1 (shift each letter back by 1) gives: "f" → "e" , "w" → "v" , "a" → "z" , "y" → "x" , "d" → "c" → "evzxc" (first word). That doesn't look immediately right. A ROT-13 (common in puzzles) would turn "fwayd" into "sjnlq" and "rwhanyt" into "ejunalg" , which still doesn't look like plain English.
If you have a specific context in mind (e.g., a product code, a misspelled keyword, a user name, or a cipher), please clarify or correct the term. I will be glad to write a detailed, well-researched article on the intended subject. fwayd rwhanyt 66