Select the letter-cluster from among the given options that can replace the question mark (?) in the given series.
DPX, EQY, FRZ, GSA, ?
1
HTB
2
BHU
3
BTH
4
HUB
Select the letter-cluster from among the given options that can replace the question mark (?) in the given series.
DPX, EQY, FRZ, GSA, ?