rannm arnnm rnanm nranm anrnm narnm rannm arnnm rnanm nranm anrnm narnm rnnam nrnam rnnam nrnam nnram nnram annrm nanrm annrm nanrm nnarm nnarm ranmn arnmn rnamn nramn anrmn narmn ramnn armnn rmann mrann amrnn marnn rnman nrman rmnan mrnan nmran mnran anmrn namrn amnrn manrn nmarn mnarn ranmn arnmn rnamn nramn anrmn narmn ramnn armnn rmann mrann amrnn marnn rnman nrman rmnan mrnan nmran mnran anmrn namrn amnrn manrn nmarn mnarn rnnma nrnma rnnma nrnma nnrma nnrma rnmna nrmna rmnna mrnna nmrna mnrna rnmna nrmna rmnna mrnna nmrna mnrna nnmra nnmra nmnra mnnra nmnra mnnra annmr nanmr annmr nanmr nnamr nnamr anmnr namnr amnnr mannr nmanr mnanr anmnr namnr amnnr mannr nmanr mnanr nnmar nnmar nmnar mnnar nmnar mnnar
Note: these 'words' (valid or invalid) are all the permutations of the word rannm. These words are obtained by scrambling the letters in rannm.