pmlib mplib plmib lpmib mlpib lmpib pmilb mpilb pimlb ipmlb miplb implb plimb lpimb pilmb iplmb lipmb ilpmb mlipb lmipb milpb imlpb limpb ilmpb pmlbi mplbi plmbi lpmbi mlpbi lmpbi pmbli mpbli pbmli bpmli mbpli bmpli plbmi lpbmi pblmi bplmi lbpmi blpmi mlbpi lmbpi mblpi bmlpi lbmpi blmpi pmibl mpibl pimbl ipmbl mipbl impbl pmbil mpbil pbmil bpmil mbpil bmpil pibml ipbml pbiml bpiml ibpml bipml mibpl imbpl mbipl bmipl ibmpl bimpl plibm lpibm pilbm iplbm lipbm ilpbm plbim lpbim pblim bplim lbpim blpim piblm ipblm pbilm bpilm ibplm biplm libpm ilbpm lbipm blipm iblpm bilpm mlibp lmibp milbp imlbp limbp ilmbp mlbip lmbip mblip bmlip lbmip blmip miblp imblp mbilp bmilp ibmlp bimlp libmp ilbmp lbimp blimp iblmp bilmp
Note: these 'words' (valid or invalid) are all the permutations of the word pmlib. These words are obtained by scrambling the letters in pmlib.