idols diols iodls oidls doils odils idlos dilos ildos lidos dlios ldios iolds oilds ilods liods olids loids dolis odlis dlois ldois oldis lodis idosl diosl iodsl oidsl doisl odisl idsol disol isdol sidol dsiol sdiol iosdl oisdl isodl siodl osidl soidl dosil odsil dsoil sdoil osdil sodil idlso dilso ildso lidso dliso ldiso idslo dislo isdlo sidlo dsilo sdilo ilsdo lisdo isldo sildo lsido slido dlsio ldsio dslio sdlio lsdio sldio iolsd oilsd ilosd liosd olisd loisd iosld oisld isold siold osild soild ilsod lisod islod silod lsiod sliod olsid losid oslid solid lsoid sloid dolsi odlsi dlosi ldosi oldsi lodsi dosli odsli dsoli sdoli osdli sodli dlsoi ldsoi dsloi sdloi lsdoi sldoi olsdi losdi osldi soldi lsodi slodi
Note: these 'words' (valid or invalid) are all the permutations of the word idols. These words are obtained by scrambling the letters in idols.