What should come in place of the question mark (?) in the given series based on the English alphabetical order?
TYH RVG PSF ? LMD

TYH RVG PSF ? LMD

T → R → P → ? → L
T (20) → R (18) → P (16) → N (14) → L (12)
First letter is N
Second letters:
Y → V → S → ? → M
Y (25) → V (22) → S (19) → P (16) → M (13)
Second letter is P
Third letters:
H → G → F → ? → D
H (8) → G (7) → F (6) → E (5) → D (4)
Third letter is E

Correct answer is (b) ​NPE.