In the following question, select the odd letter/letters from the given alternatives.

SWA UYC VZC CGK

VZC

SWA ⇒ S →(+4)→ W →(+4)→ A UYC ⇒ U →(+4)→ Y →(+4) → C VZC ⇒ V →(+4)→ Z →(+3)→ C CGK ⇒ C →(+4)→ G →(+4) → K