Answer:

SAB, QCD, PDD, OEF, NFF, RBB

Answer:

The Answer will be RBB

SAB , RBB , QCD, PDD , OEF , NFF

For the first Word in each

The sequence is S-R-Q-P-O-N ( Opposite of N,O,P,Q,R,S

For the second word

The sequence is A,B,C,D,E,F

For the 3rd word

The sequence is B,B,D,D,F,F