rindy irndy rnidy nridy inrdy nirdy ridny irdny rdiny driny idrny dirny rndiy nrdiy rdniy drniy ndriy dnriy indry nidry idnry dinry ndiry dniry rinyd irnyd rniyd nriyd inryd niryd riynd irynd ryind yrind iyrnd yirnd rnyid nryid rynid yrnid nyrid ynrid inyrd niyrd iynrd yinrd nyird ynird ridyn irdyn rdiyn driyn idryn diryn riydn irydn ryidn yridn iyrdn yirdn rdyin dryin rydin yrdin dyrin ydrin idyrn diyrn iydrn yidrn dyirn ydirn rndyi nrdyi rdnyi drnyi ndryi dnryi rnydi nrydi ryndi yrndi nyrdi ynrdi rdyni dryni rydni yrdni dyrni ydrni ndyri dnyri nydri yndri dynri ydnri indyr nidyr idnyr dinyr ndiyr dniyr inydr niydr iyndr yindr nyidr ynidr idynr diynr iydnr yidnr dyinr ydinr ndyir dnyir nydir yndir dynir ydnir
Note: these 'words' (valid or invalid) are all the permutations of the word rindy. These words are obtained by scrambling the letters in rindy.