Select the option that is related to the third letter-Cluster in the same way as the second letter-Cluster is related to the first letter-Cluster.

AhbH : HbhA :: YfgT : ?

TgfY

A   B   C    D   E    F   G    H    I    J    K    L   M

 ↓    ↓    ↓    ↓    ↓     ↓   ↓    ↓     ↓   ↓    ↓    ↓    ↓

 Z   Y    X   W   V    U   T    S    R   Q   P    O   N

26  25  24  23  22  21  20  19  18  17  16  15  14

******************************************

AhbH : HbhA :: YfgT : ?

The  logic followed here is :

as

A   h   b   H

written from right to left

H  b    h   A

similarly

y   f   g   T

written from right to left

T   g    f   y