Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
DFO, HHK, KKH, ?, NTE
1
MOF
2
NOF
3
FOM
4
FON
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
DFO, HHK, KKH, ?, NTE