afire faire aifre iafre fiare ifare afrie farie arfie rafie fraie rfaie airfe iarfe arife raife irafe riafe firae ifrae friae rfiae irfae rifae afier faier aifer iafer fiaer ifaer afeir faeir aefir eafir feair efair aiefr iaefr aeifr eaifr ieafr eiafr fiear ifear feiar efiar iefar eifar afrei farei arfei rafei fraei rfaei aferi faeri aefri eafri feari efari arefi raefi aerfi earfi reafi erafi freai rfeai ferai efrai refai erfai airef iaref arief raief iraef riaef aierf iaerf aeirf eairf iearf eiarf areif raeif aerif earif reaif eraif ireaf rieaf ieraf eiraf reiaf eriaf firea ifrea friea rfiea irfea rifea fiera ifera feira efira iefra eifra freia rfeia feria efria refia erfia irefa riefa ierfa eirfa reifa erifa
Note: these 'words' (valid or invalid) are all the permutations of the word afire. These words are obtained by scrambling the letters in afire.