'LNAGK' will be written as 'NQELQ'.
The coding pattern shifts alternating letters forward by different positional values (+2, +3, +4, +5, +6) based on their alphabet positions.
Pattern Verification
First Word: AFPQV → CITVB
Second Word: DLNPG → FORUM
D (+2) → F
L (+3) → O
N (+4) → R
P (+5) → U
G (+6) → M
Applying the Pattern to 'LNAGK'
Using the same increment logic (+2, +3, +4, +5, +6):
L (+2) → N
N (+3) → Q
A (+4) → E
G (+5) → L
K (+6) → Q
Therefore, LNAGK becomes NQELQ.