outro uotro oturo touro utoro tuoro ourto uorto oruto routo uroto ruoto otruo toruo ortuo rotuo trouo rtouo utroo turoo urtoo rutoo truoo rtuoo outor uotor otuor touor utoor tuoor ouotr uootr ooutr ooutr uootr ouotr otour toour ootur ootur toour otour utoor tuoor uotor outor touor otuor ourot uorot oruot rouot uroot ruoot ouort uoort oourt oourt uoort ouort orout roout oorut oorut roout orout uroot ruoot uorot ourot rouot oruot otrou torou ortou rotou troou rtoou otoru tooru ootru ootru tooru otoru orotu rootu oortu oortu rootu orotu troou rtoou torou otrou rotou ortou utroo turoo urtoo rutoo truoo rtuoo utoro tuoro uotro outro touro oturo uroto ruoto uorto ourto routo oruto trouo rtouo toruo otruo rotuo ortuo
Note: these 'words' (valid or invalid) are all the permutations of the word outro. These words are obtained by scrambling the letters in outro.