civil icvil cviil vciil ivcil vicil ciivl icivl ciivl icivl iicvl iicvl cviil vciil civil icvil vicil ivcil ivicl viicl iivcl iivcl viicl ivicl civli icvli cvili vcili ivcli vicli cilvi iclvi clivi lcivi ilcvi licvi cvlii vclii clvii lcvii vlcii lvcii ivlci vilci ilvci livci vlici lvici ciilv icilv ciilv icilv iiclv iiclv ciliv icliv cliiv lciiv ilciv liciv ciliv icliv cliiv lciiv ilciv liciv iilcv iilcv ilicv liicv ilicv liicv cvili vcili civli icvli vicli ivcli cvlii vclii clvii lcvii vlcii lvcii cilvi iclvi clivi lcivi ilcvi licvi vilci ivlci vlici lvici ilvci livci ivilc viilc iivlc iivlc viilc ivilc ivlic vilic ilvic livic vliic lviic iilvc iilvc ilivc liivc ilivc liivc vilic ivlic vliic lviic ilvic livic
Note: these 'words' (valid or invalid) are all the permutations of the word civil. These words are obtained by scrambling the letters in civil.