Which would would be next in the series - ACE, TAB, COG, ADD, EAR, RAF, GUT, UGH, IVY, TAJ, ??

Question

These words follow a logical progression:
ACE
TAB
COG
ADD
EAR
RAF
GUT
UGH
IVY
TAJ

Which of these could be next?
KID - BOY - ASK - TOO

Answer 1

If v c in zig zag way, we'l find alphatical order starting from A,
Ace
taB
Cog
adD
Ear
raF
Gut
ugH
Ivy
taJ
so next
Kid

Answer 2

KID is the answer
It goes
A--
--B
C--
--D
...
-you get the drill.