feart efart faert afert eafrt aefrt ferat efrat freat rfeat erfat refat faret afret fraet rfaet arfet rafet earft aerft eraft reaft areft raeft featr efatr faetr afetr eaftr aeftr fetar eftar ftear tfear etfar tefar fater after ftaer tfaer atfer tafer eatfr aetfr etafr teafr atefr taefr ferta efrta freta rfeta erfta refta fetra eftra ftera tfera etfra tefra frtea rftea ftrea tfrea rtfea trfea ertfa retfa etrfa terfa rtefa trefa farte afrte frate rfate arfte rafte fatre aftre ftare tfare atfre tafre frtae rftae ftrae tfrae rtfae trfae artfe ratfe atrfe tarfe rtafe trafe eartf aertf eratf reatf aretf raetf eatrf aetrf etarf tearf aterf taerf ertaf retaf etraf teraf rteaf treaf artef ratef atref taref rtaef traef
Note: these 'words' (valid or invalid) are all the permutations of the word feart. These words are obtained by scrambling the letters in feart.