reans erans raens arens earns aerns renas ernas rneas nreas enras neras ranes arnes rnaes nraes anres nares eanrs aenrs enars nears aners naers reasn erasn raesn aresn earsn aersn resan ersan rsean srean esran seran rasen arsen rsaen sraen asren saren easrn aesrn esarn searn asern saern rensa ernsa rnesa nresa enrsa nersa resna ersna rsena srena esrna serna rnsea nrsea rsnea srnea nsrea snrea ensra nesra esnra senra nsera snera ranse arnse rnase nrase anrse narse rasne arsne rsane srane asrne sarne rnsae nrsae rsnae srnae nsrae snrae ansre nasre asnre sanre nsare snare eansr aensr enasr neasr anesr naesr easnr aesnr esanr seanr asenr saenr ensar nesar esnar senar nsear snear anser naser asner saner nsaer snaer
Note: these 'words' (valid or invalid) are all the permutations of the word reans. These words are obtained by scrambling the letters in reans.