Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
ECDR, BGYW, YKTB, VOOG, ?, PWEQ
1
SRJL
2
RSIL
3
SSJL
4
SSKM
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
ECDR, BGYW, YKTB, VOOG, ?, PWEQ