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

TVX JLN NOQ CEG

NOQ

TVX  ⇒ T →(+2)→ V →(+2) → X JLN ⇒ J →(+2)→ L →(+2)→N  NOQ ⇒ N →(+1)→ O →(+2) → Q (THIS IS ODD) CEG ⇒ C →(+2)→ E →(+2) → G