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

YWUSQ

VSPMJ = V → (-3) → S→ (-3) → P → (-3) → M → (-3) → J

YWUSQ = Y → (-2) → W→ (-2) → U → (-2) → S→ (-4) →O (ODD)

TQNKH = T → (-3) → Q → (-3) → N → (-3) → K → (-3) → H

ROLIF = R → (-3) → O → (-3)  → L → (-3) → I → (-3) → F