Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
OMB, DOQ, SQF, HSU, WUJ, ?, AYN, PAC
1
KWG
2
OWC
3
LWY
4
GHK
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
OMB, DOQ, SQF, HSU, WUJ, ?, AYN, PAC