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What comes next? E, H, K, N, Q, …
U
W
S
T
What comes next? D, W, E, V, F, …
G
V
What comes next? HJL, NPR, TVX, …
ZAB
ZBD
XZB
ACE
What comes next? AZ, BY, CX, DW, …
EV
FV
EU
VE
What comes next? A, R, B, Q, C, …
P
O
D
Q