wadis awdis wdais dwais adwis dawis waids awids wiads iwads aiwds iawds wdias dwias widas iwdas diwas idwas adiws daiws aidws iadws diaws idaws wadsi awdsi wdasi dwasi adwsi dawsi wasdi awsdi wsadi swadi aswdi sawdi wdsai dwsai wsdai swdai dswai sdwai adswi daswi asdwi sadwi dsawi sdawi waisd awisd wiasd iwasd aiwsd iawsd wasid awsid wsaid swaid aswid sawid wisad iwsad wsiad swiad iswad siwad aiswd iaswd asiwd saiwd isawd siawd wdisa dwisa widsa iwdsa diwsa idwsa wdsia dwsia wsdia swdia dswia sdwia wisda iwsda wsida swida iswda siwda diswa idswa dsiwa sdiwa isdwa sidwa adisw daisw aidsw iadsw diasw idasw adsiw dasiw asdiw sadiw dsaiw sdaiw aisdw iasdw asidw saidw isadw siadw disaw idsaw dsiaw sdiaw isdaw sidaw
Note: these 'words' (valid or invalid) are all the permutations of the word wadis. These words are obtained by scrambling the letters in wadis.