pluto lputo pulto uplto lupto ulpto pltuo lptuo ptluo tpluo ltpuo tlpuo putlo uptlo ptulo tpulo utplo tuplo lutpo ultpo ltupo tlupo utlpo tulpo pluot lpuot pulot uplot lupot ulpot plout lpout polut oplut loput olput puolt upolt poult opult uoplt ouplt luopt ulopt loupt olupt uolpt oulpt pltou lptou ptlou tplou ltpou tlpou plotu lpotu poltu opltu loptu olptu ptolu tpolu potlu optlu toplu otplu ltopu tlopu lotpu oltpu tolpu otlpu putol uptol ptuol tpuol utpol tupol puotl upotl poutl oputl uoptl ouptl ptoul tpoul potul optul topul otpul utopl tuopl uotpl outpl toupl otupl lutop ultop ltuop tluop utlop tulop luotp ulotp loutp olutp uoltp oultp ltoup tloup lotup oltup tolup otlup utolp tuolp uotlp outlp toulp otulp
Note: these 'words' (valid or invalid) are all the permutations of the word pluto. These words are obtained by scrambling the letters in pluto.