Which letter-cluster will replace the question mark (?) to complete the given series?
CPFG, ENHE, ?, IJLA, KHNY
1
GLKC
2
GLKD
3
GLJC
4
GLLC
Which letter-cluster will replace the question mark (?) to complete the given series?
CPFG, ENHE, ?, IJLA, KHNY