kinds iknds knids nkids inkds nikds kidns ikdns kdins dkins idkns dikns kndis nkdis kdnis dknis ndkis dnkis indks nidks idnks dinks ndiks dniks kinsd iknsd knisd nkisd inksd niksd kisnd iksnd ksind skind isknd siknd knsid nksid ksnid sknid nskid snkid inskd niskd isnkd sinkd nsikd snikd kidsn ikdsn kdisn dkisn idksn diksn kisdn iksdn ksidn skidn iskdn sikdn kdsin dksin ksdin skdin dskin sdkin idskn diskn isdkn sidkn dsikn sdikn kndsi nkdsi kdnsi dknsi ndksi dnksi knsdi nksdi ksndi skndi nskdi snkdi kdsni dksni ksdni skdni dskni sdkni ndski dnski nsdki sndki dsnki sdnki indsk nidsk idnsk dinsk ndisk dnisk insdk nisdk isndk sindk nsidk snidk idsnk disnk isdnk sidnk dsink sdink ndsik dnsik nsdik sndik dsnik sdnik
Note: these 'words' (valid or invalid) are all the permutations of the word kinds. These words are obtained by scrambling the letters in kinds.