flrea lfrea frlea rflea lrfea rlfea flera lfera felra eflra lefra elfra frela rfela ferla efrla refla erfla lrefa rlefa lerfa elrfa relfa erlfa flrae lfrae frlae rflae lrfae rlfae flare lfare falre aflre lafre alfre frale rfale farle afrle rafle arfle lrafe rlafe larfe alrfe ralfe arlfe flear lfear felar eflar lefar elfar flaer lfaer faler afler lafer alfer fealr efalr faelr afelr eaflr aeflr leafr elafr laefr alefr ealfr aelfr freal rfeal feral efral refal erfal frael rfael farel afrel rafel arfel fearl efarl faerl aferl eafrl aefrl reafl erafl raefl arefl earfl aerfl lreaf rleaf leraf elraf relaf erlaf lraef rlaef laref alref ralef arlef learf elarf laerf alerf ealrf aelrf realf eralf raelf arelf earlf aerlf
Note: these 'words' (valid or invalid) are all the permutations of the word flrea. These words are obtained by scrambling the letters in flrea.