Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?
KGE 8, MIG 9, OKI 12, QMK 21, SOM 48, ?
AUQO 128
BUCO 129
CUQO 129
DVQO 129
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AUQO 128
BUCO 129
CUQO 129
DVQO 129