In a certain code language, ‘ROCKER’ is written as ‘SNDJFQ’. What will be the code for ‘PRIEST’ in that code language?

QQJDTS

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:

R → (+1) → S

O → (-1) → N

C → (+1) → D

K → (-1) → J

E → (+1) → F

R → (-1) → Q

SIMILARLY

P → (+1) → Q

R → (-1) → Q

I → (+1) → J

E → (-1) → T

S → (+1) → D

T → (-1) → S