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

UVS LMH HIF YZW

LMH

UVS= U → (+1) → V → (-3) → V LMH = L → (+1) → M → (-5) → H (THIS IS ODD) HIF =  H → (+1) → I → (-3) → F YZW = Y → (+1) → Z → (-3) → W