In a certain code language, 'CEKF' is written as 'ZBHC' and 'NCPF' is written as ‘KZMC’. How will 'JROG' be written in that language?

GOLD

1   2    3    4   5    6   7     8    9  10  11  12  13

 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

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

THE LOGIC FOLLOWED HERE IS :

C → (-3) → Z

E → (-3) → B

K → (-3) → H

F → (-3) → C

AND

N → (-3) → K

C → (-3) → Z

P → (-3) → M

F → (-3) → C

SIMILARKY

J → (-3) → G

R → (-3) → O

O → (-3) → L

G → (-3) → D