acing caing aicng iacng ciang icang acnig canig ancig nacig cnaig ncaig aincg iancg anicg naicg inacg niacg cinag icnag cniag nciag incag nicag acign caign aicgn iacgn ciagn icagn acgin cagin agcin gacin cgain gcain aigcn iagcn agicn gaicn igacn giacn cigan icgan cgian gcian igcan gican acngi cangi ancgi nacgi cnagi ncagi acgni cagni agcni gacni cgani gcani angci nagci agnci ganci ngaci gnaci cngai ncgai cgnai gcnai ngcai gncai aingc iangc anigc naigc inagc niagc aignc iagnc aginc gainc iganc gianc angic nagic agnic ganic ngaic gnaic ingac nigac ignac ginac ngiac gniac cinga icnga cniga nciga incga nicga cigna icgna cgina gcina igcna gicna cngia ncgia cgnia gcnia ngcia gncia ingca nigca ignca ginca ngica gnica
Note: these 'words' (valid or invalid) are all the permutations of the word acing. These words are obtained by scrambling the letters in acing.