The only grading letters that appear anywhere in this puzzle (other than the present clue)

Question:

Answer:

EFS

Length:

Similar Crossword Questions:

Period that ends Nov. 3rd, requiring a shift, and letters that shift in this puzzle's theme entries
Big fight, and clue to this puzzle's theme that begins the four longest answers
Ones whose names are spelled by this puzzle's circled letters ... with representatives of two realms "wrestling" for supremacy
Many a puzzle clue ending in "?"
Dictionary source for each asterisked clue in this puzzle
Past-tense verb that is the same as its present-tense form minus the fourth and fifth letters
Office building problem that's a hint to this puzzle's theme entries (see their last three letters)
Light lunch (and a hint to this puzzle's circled letters)
Intrepid [Editor's note: This clue appears in heavier type (without the asterisks) in the print version of the puzzle. AcrossLite can't handle that, so just imaging that it's written in darker type.]
Common crossword clue letters
Letters featured in this puzzle's theme
One more than the number of different letters in this puzzle
Street weapon ... or a hint to the circled letters in this puzzle
Long-running game show with a feature spelled out clockwise by this puzzle's circled letters
Rap sheet letters hidden in this puzzle's longest answers
Drink garnish ... or a hint to five letters in the answer to each starred clue
Breakfast serving, and a hint to this puzzle's circled letters
"That's my cue!" (fun fact: I inadvertently stole this clue from my own NYT puzzle)
First of a pair of letters swapped six times in this puzzle's theme entries
City whose language uses only the 12 letters found in this puzzle
Name that would be super easy to clue if this puzzle were in Korean
Some sewing machines (and clue to this puzzle's theme)
Like this clue's answer, in five letters
Proverb giving a clue to this puzzle
Article in a German paper?[For the explanation to last week's puzzle, see the last clue down.]