deist edist diest idest eidst iedst desit edsit dseit sdeit esdit sedit diset idset dsiet sdiet isdet sidet eisdt iesdt esidt seidt isedt siedt deits edits diets idets eidts iedts detis edtis dteis tdeis etdis tedis dites idtes dties tdies itdes tides eitds ietds etids teids iteds tieds desti edsti dseti sdeti esdti sedti detsi edtsi dtesi tdesi etdsi tedsi dstei sdtei dtsei tdsei stdei tsdei estdi setdi etsdi tesdi stedi tsedi diste idste dsite sdite isdte sidte ditse idtse dtise tdise itdse tidse dstie sdtie dtsie tdsie stdie tsdie istde sitde itsde tisde stide tside eistd iestd esitd seitd isetd sietd eitsd ietsd etisd teisd itesd tiesd estid setid etsid tesid steid tseid isted sited itsed tised stied tsied
Note: these 'words' (valid or invalid) are all the permutations of the word deist. These words are obtained by scrambling the letters in deist.