petto eptto pteto tpeto etpto tepto petto eptto pteto tpeto etpto tepto ptteo tpteo ptteo tpteo ttpeo ttpeo ettpo tetpo ettpo tetpo ttepo ttepo petot eptot pteot tpeot etpot tepot peott epott poett opett eoptt oeptt ptoet tpoet potet optet topet otpet etopt teopt eotpt oetpt toept otept petot eptot pteot tpeot etpot tepot peott epott poett opett eoptt oeptt ptoet tpoet potet optet topet otpet etopt teopt eotpt oetpt toept otept pttoe tptoe pttoe tptoe ttpoe ttpoe ptote tpote potte optte topte otpte ptote tpote potte optte topte otpte ttope ttope totpe ottpe totpe ottpe ettop tetop ettop tetop tteop tteop etotp teotp eottp oettp toetp otetp etotp teotp eottp oettp toetp otetp ttoep ttoep totep ottep totep ottep
Note: these 'words' (valid or invalid) are all the permutations of the word petto. These words are obtained by scrambling the letters in petto.