Actually, the most common encoding for such phrases is of the intended text. Let’s reverse-engineer: If the ciphertext is "danlwd", what plaintext left-shifted gives that? We want plaintext P such that P shifted left = ciphertext. So ciphertext shifted right = plaintext.
Let’s instead just search memory: There is a known cipher called where you shift one key to the left: "good luck chuck" shifted left becomes: g → f o → i o → i d → s → "fiis" no. danlwd fylm Good Luck Chuck bdwn sanswr
Let me try on QWERTY for the whole thing: Actually, the most common encoding for such phrases
d → s a → (left of a is nothing, sometimes becomes ' or omitted, but in many online decoders, a is left as a or mapped to ' ) — actually, test: type "danlwd" with hands shifted one key left on QWERTY: Put fingers on: left hand on ASDF, right on JKL; but shifting left means: Instead of 'd' (middle finger left hand), you press 's'. Instead of 'a' (pinky left), you press nothing (or caps lock) — this suggests the cipher might be right shift instead. Let’s try right shift : So ciphertext shifted right = plaintext
Better to use an online tool mentally: The phrase "danlwd fylm Good Luck Chuck bdwn sanswr" — the recognizable words "Good Luck Chuck" are a 2007 romantic comedy film. The garbled parts likely decode to something like "watch good luck chuck online free" or similar.