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.

RCN UFQ YJB EPA

YJB

RCN ⇒ R →(+11)→ P →(+11) → J  UFQ ⇒ U →(+11)→ F→(+11) →O YJB ⇒ Y →(+11)→ J →(-8) → B (ODD) EPA ⇒ E →(+11)→ P →(+11) → A