Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
GJEZ EHCX CFAV ADYT ?
AYRIN
BYBRI
CYBRW
DYBWR
AYRIN
BYBRI
CYBRW
DYBWR
Related Questions:
What is the next number in the series? 0, 8, 24, 48, ------