curse ucrse cruse rcuse urcse rucse cusre ucsre csure scure uscre sucre crsue rcsue csrue scrue rscue srcue ursce rusce usrce surce rsuce sruce cures ucres crues rcues urces ruces cuers ucers ceurs ecurs uecrs eucrs creus rceus cerus ecrus recus ercus urecs ruecs uercs eurcs reucs erucs cuser ucser csuer scuer uscer sucer cuesr ucesr ceusr ecusr uecsr eucsr cseur sceur cesur ecsur secur escur usecr suecr uescr euscr seucr esucr crseu rcseu csreu screu rsceu srceu cresu rcesu cersu ecrsu recsu ercsu cseru sceru cesru ecsru secru escru rsecu srecu rescu erscu sercu esrcu ursec rusec usrec surec rsuec sruec uresc ruesc uersc eursc reusc erusc userc suerc uesrc eusrc seurc esurc rseuc sreuc resuc ersuc seruc esruc
Note: these 'words' (valid or invalid) are all the permutations of the word curse. These words are obtained by scrambling the letters in curse.