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