Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different.

LRPV SYGM DBJH CNDV

CNDV

The logic followed here is ; Sum of positional value of alphabet LRPV ⇒ 12 + 18 + 16 + 22 = 68 Even SYGM ⇒ 19 + 25 + 7 + 13 = 64 even DBJH ⇒ 4 + 2 + 10 + 8 = 24 even CNDV ⇒ 3 + 14 + 4 + 22 = 43 prime odd number