frize rfize firze ifrze rifze irfze frzie rfzie fzrie zfrie rzfie zrfie fizre ifzre fzire zfire izfre zifre rizfe irzfe rzife zrife izrfe zirfe friez rfiez firez ifrez rifez irfez freiz rfeiz feriz efriz refiz erfiz fierz iferz feirz efirz iefrz eifrz riefz irefz reifz erifz ierfz eirfz frzei rfzei fzrei zfrei rzfei zrfei frezi rfezi ferzi efrzi refzi erfzi fzeri zferi fezri efzri zefri ezfri rzefi zrefi rezfi erzfi zerfi ezrfi fizer ifzer fzier zfier izfer zifer fiezr ifezr feizr efizr iefzr eifzr fzeir zfeir fezir efzir zefir ezfir izefr ziefr iezfr eizfr zeifr ezifr rizef irzef rzief zrief izref ziref riezf irezf reizf erizf ierzf eirzf rzeif zreif rezif erzif zerif ezrif izerf zierf iezrf eizrf zeirf ezirf
Note: these 'words' (valid or invalid) are all the permutations of the word frize. These words are obtained by scrambling the letters in frize.