pardi aprdi pradi rpadi arpdi rapdi padri apdri pdari dpari adpri dapri prdai rpdai pdrai dprai rdpai drpai ardpi radpi adrpi darpi rdapi drapi parid aprid praid rpaid arpid rapid paird apird piard ipard aiprd iaprd priad rpiad pirad iprad ripad irpad aripd raipd airpd iarpd riapd irapd padir apdir pdair dpair adpir dapir paidr apidr piadr ipadr aipdr iapdr pdiar dpiar pidar ipdar dipar idpar adipr daipr aidpr iadpr diapr idapr prdia rpdia pdria dpria rdpia drpia prida rpida pirda iprda ripda irpda pdira dpira pidra ipdra dipra idpra rdipa dripa ridpa irdpa dirpa idrpa ardip radip adrip darip rdaip draip aridp raidp airdp iardp riadp iradp adirp dairp aidrp iadrp diarp idarp rdiap driap ridap irdap dirap idrap
Note: these 'words' (valid or invalid) are all the permutations of the word pardi. These words are obtained by scrambling the letters in pardi.