Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
A E I , E I M, I M Q, M QU, ?
AQUY
BQKS
CLMX
DKJS
AQUY
BQKS
CLMX
DKJS
Related Questions:
What should come in place of '?' in the given series based on the English alphabetical
order?
TKF UJG VIH WHI ?