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.

SQO YWU MKI GED

GED

SQO⇒  M →(-2)→ P→(-2) →T YWU ⇒ Y →(+3)→ U→(+4) →V MKI ⇒ M →(+3)→K→(+4) →I GED ⇒ G →(-2)→ E→(-1) →D (ODD)