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

SHLO JQTG KPSH DWZA

SHLO

SHLO ⇒ S → (OPP.) → H , L → (OPP.) → O Large positional (OPP.) small positional and  small positional (OPP.) Large positional JQTG ⇒ J → (OPP.) → Q , T → (OPP.) → G KPSH ⇒ K → (OPP.) → P , S → (OPP.) → H DWZA ⇒ D → (OPP.) → W , Z → (OPP.) → A small positional (OPP.) Large positional and  Large positional (OPP.) small positional