oesar eosar osear soear esoar seoar oeasr eoasr oaesr aoesr eaosr aeosr osaer soaer oaser aoser saoer asoer esaor seaor easor aesor saeor aseor oesra eosra osera soera esora seora oersa eorsa oresa roesa erosa reosa osrea sorea orsea rosea sroea rsoea esroa seroa ersoa resoa sreoa rseoa oears eoars oaers aoers eaors aeors oeras eoras oreas roeas eroas reoas oares aores oraes roaes aroes raoes earos aeros eraos reaos areos raeos osare soare oasre aosre saore asore osrae sorae orsae rosae sroae rsoae oarse aorse orase roase arose raose saroe asroe sraoe rsaoe arsoe rasoe esaro searo easro aesro saero asero esrao serao ersao resao sreao rseao earso aerso eraso reaso areso raeso sareo asreo sraeo rsaeo arseo raseo
Note: these 'words' (valid or invalid) are all the permutations of the word oesar. These words are obtained by scrambling the letters in oesar.