rafri arfri rfari frari afrri farri rarfi arrfi rrafi rrafi arrfi rarfi rfrai frrai rrfai rrfai frrai rfrai afrri farri arfri rafri frari rfari rafir arfir rfair frair afrir farir raifr arifr riafr irafr airfr iarfr rfiar friar rifar irfar firar ifrar afirr fairr aifrr iafrr fiarr ifarr rarif arrif rraif rraif arrif rarif rairf arirf riarf irarf airrf iarrf rriaf rriaf riraf irraf riraf irraf arirf rairf airrf iarrf riarf irarf rfria frria rrfia rrfia frria rfria rfira frira rifra irfra firra ifrra rrifa rrifa rirfa irrfa rirfa irrfa frira rfira firra ifrra rifra irfra afrir farir arfir rafir frair rfair afirr fairr aifrr iafrr fiarr ifarr arifr raifr airfr iarfr riafr irafr friar rfiar firar ifrar rifar irfar
Note: these 'words' (valid or invalid) are all the permutations of the word rafri. These words are obtained by scrambling the letters in rafri.