In a certain code language, 'ARTIST' is written as 'ASTITT' and 'ADVICE' is written as 'AEVIDE'. How will 'ASPECT' be written in that language ?

ATPEDT

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:

A  → (SAME) → A

R  → (+1) → S

T  → (SAME) → T

I → (SAME)  → I

S  → (+1) → T

T  → (SAME) → T

AND

A  → (SAME) → A

D  → (+1) → E

V  → (SAME) → V

I → (SAME)  → I

C  → (+1) → D

E → (SAME) → E

SIMILARLY

A  → (SAME) → A

S  → (+1) → T

P  → (SAME) → P

E → (SAME)  → E

C  → (+1) → D

T  → (SAME) → T