dowls odwls dwols wdols owdls wodls dolws odlws dlows ldows oldws lodws dwlos wdlos dlwos ldwos wldos lwdos owlds wolds olwds lowds wlods lwods dowsl odwsl dwosl wdosl owdsl wodsl doswl odswl dsowl sdowl osdwl sodwl dwsol wdsol dswol sdwol wsdol swdol owsdl wosdl oswdl sowdl wsodl swodl dolsw odlsw dlosw ldosw oldsw lodsw doslw odslw dsolw sdolw osdlw sodlw dlsow ldsow dslow sdlow lsdow sldow olsdw losdw osldw soldw lsodw slodw dwlso wdlso dlwso ldwso wldso lwdso dwslo wdslo dswlo sdwlo wsdlo swdlo dlswo ldswo dslwo sdlwo lsdwo sldwo wlsdo lwsdo wsldo swldo lswdo slwdo owlsd wolsd olwsd lowsd wlosd lwosd owsld wosld oswld sowld wsold swold olswd loswd oslwd solwd lsowd slowd wlsod lwsod wslod swlod lswod slwod
Note: these 'words' (valid or invalid) are all the permutations of the word dowls. These words are obtained by scrambling the letters in dowls.