Two-letter pair: both letters moved forward 8

The same question, asked 2 times: 12 Sep 2025 S1*, 17 Sep 2025 S3. Every wording below, oldest first.

Try each one first, then open its answer.

Question 1
12 Sep 2025 S1
12 $Find the option that best completes the analogy. AG : IO :: CM : ?$
Tap an option to check your answer.
Question 2
17 Sep 2025 S3
13 $Find the option that best completes the analogy. AB : IJ :: EF : ?$
Tap an option to check your answer.