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