dbits bdits dibts idbts bidts ibdts dbtis bdtis dtbis tdbis btdis tbdis ditbs idtbs dtibs tdibs itdbs tidbs bitds ibtds btids tbids itbds tibds dbist bdist dibst idbst bidst ibdst dbsit bdsit dsbit sdbit bsdit sbdit disbt idsbt dsibt sdibt isdbt sidbt bisdt ibsdt bsidt sbidt isbdt sibdt dbtsi bdtsi dtbsi tdbsi btdsi tbdsi dbsti bdsti dsbti sdbti bsdti sbdti dtsbi tdsbi dstbi sdtbi tsdbi stdbi btsdi tbsdi bstdi sbtdi tsbdi stbdi ditsb idtsb dtisb tdisb itdsb tidsb distb idstb dsitb sditb isdtb sidtb dtsib tdsib dstib sdtib tsdib stdib itsdb tisdb istdb sitdb tsidb stidb bitsd ibtsd btisd tbisd itbsd tibsd bistd ibstd bsitd sbitd isbtd sibtd btsid tbsid bstid sbtid tsbid stbid itsbd tisbd istbd sitbd tsibd stibd
Note: these 'words' (valid or invalid) are all the permutations of the word dbits. These words are obtained by scrambling the letters in dbits.