Select the letter-cluster that can replace the question mark (?) in the following series.
BBC, CAE, DZG, EYI, ? , GWM, HVO, IUQ
1
FKX
2
FKK
3
FXK
4
FXX
Select the letter-cluster that can replace the question mark (?) in the following series.
BBC, CAE, DZG, EYI, ? , GWM, HVO, IUQ