frorn rforn forrn ofrrn rofrn orfrn frron rfron frron rfron rrfon rrfon forrn ofrrn frorn rforn orfrn rofrn rorfn orrfn rrofn rrofn orrfn rorfn fronr rfonr fornr ofrnr rofnr orfnr frnor rfnor fnror nfror rnfor nrfor fonrr ofnrr fnorr nforr onfrr nofrr ronfr ornfr rnofr nrofr onrfr norfr frrno rfrno frrno rfrno rrfno rrfno frnro rfnro fnrro nfrro rnfro nrfro frnro rfnro fnrro nfrro rnfro nrfro rrnfo rrnfo rnrfo nrrfo rnrfo nrrfo fornr ofrnr fronr rfonr orfnr rofnr fonrr ofnrr fnorr nforr onfrr nofrr frnor rfnor fnror nfror rnfor nrfor ornfr ronfr onrfr norfr rnofr nrofr rornf orrnf rronf rronf orrnf rornf ronrf ornrf rnorf nrorf onrrf norrf rrnof rrnof rnrof nrrof rnrof nrrof ornrf ronrf onrrf norrf rnorf nrorf
Note: these 'words' (valid or invalid) are all the permutations of the word frorn. These words are obtained by scrambling the letters in frorn.