winds iwnds wnids nwids inwds niwds widns iwdns wdins dwins idwns diwns wndis nwdis wdnis dwnis ndwis dnwis indws nidws idnws dinws ndiws dniws winsd iwnsd wnisd nwisd inwsd niwsd wisnd iwsnd wsind swind iswnd siwnd wnsid nwsid wsnid swnid nswid snwid inswd niswd isnwd sinwd nsiwd sniwd widsn iwdsn wdisn dwisn idwsn diwsn wisdn iwsdn wsidn swidn iswdn siwdn wdsin dwsin wsdin swdin dswin sdwin idswn diswn isdwn sidwn dsiwn sdiwn wndsi nwdsi wdnsi dwnsi ndwsi dnwsi wnsdi nwsdi wsndi swndi nswdi snwdi wdsni dwsni wsdni swdni dswni sdwni ndswi dnswi nsdwi sndwi dsnwi sdnwi indsw nidsw idnsw dinsw ndisw dnisw insdw nisdw isndw sindw nsidw snidw idsnw disnw isdnw sidnw dsinw sdinw ndsiw dnsiw nsdiw sndiw dsniw sdniw
Note: these 'words' (valid or invalid) are all the permutations of the word winds. These words are obtained by scrambling the letters in winds.