In the following question, set of letter clusters are given. The letter clusters of each set are related to the letter clusters of the same set by some Logic/Rule/Relation. From the given alternatives, select a group of letter clusters which follows the same Logic/Rule/Relation.
(NS, PU, UZ)
(DG, FI, KN)
Show answer & explanation
Correct answer: A
Explanation
Just as

And

Similarly from option A