Select the letter-cluster that can replace the question mark (?) in the following series.

DZUE, DXOE, DUIE, DQCE, ?

Given: DZUE, DXOE, DUIE, DQCE, ?

Logic: First Letter (D) Constant, The second letter decreases by 2, 3, 4, 5 sequentially, The third letter decreases by 6 each time, The fourth letter remains E in all terms., Thus, the missing term is DLWE.

First Letter (D)
The first letter D remains constant in all terms.
So, the first letter in the missing term is D.
Second Letter (Z, X, U, Q, ?)
Observing the changes in the second letter:
Z - 2 → X
X - 3 → U
U - 4 → Q
Q - 5 → L
Thus, the missing letter is L.
Third Letter (U, O, I, C, ?)
Observing the pattern:
U - 6 → O
O - 6 → I
I - 6 → C
C - 6 → W
Thus, the missing letter is W.
Fourth Letter (E, E, E, E, ?)
The fourth letter remains constant as E in all terms.
So, the missing letter is E.
Therefore, The missing letter group is DLWE
Thus, the correct option is (d) DLWE.​​