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