lhumc hlumc luhmc ulhmc hulmc uhlmc lhmuc hlmuc lmhuc mlhuc hmluc mhluc lumhc ulmhc lmuhc mluhc umlhc mulhc humlc uhmlc hmulc mhulc umhlc muhlc lhucm hlucm luhcm ulhcm hulcm uhlcm lhcum hlcum lchum clhum hclum chlum luchm ulchm lcuhm cluhm uclhm culhm huclm uhclm hculm chulm uchlm cuhlm lhmcu hlmcu lmhcu mlhcu hmlcu mhlcu lhcmu hlcmu lchmu clhmu hclmu chlmu lmchu mlchu lcmhu clmhu mclhu cmlhu hmclu mhclu hcmlu chmlu mchlu cmhlu lumch ulmch lmuch mluch umlch mulch lucmh ulcmh lcumh clumh uclmh culmh lmcuh mlcuh lcmuh clmuh mcluh cmluh umclh muclh ucmlh cumlh mculh cmulh humcl uhmcl hmucl mhucl umhcl muhcl hucml uhcml hcuml chuml uchml cuhml hmcul mhcul hcmul chmul mchul cmhul umchl muchl ucmhl cumhl mcuhl cmuhl
Note: these 'words' (valid or invalid) are all the permutations of the word lhumc. These words are obtained by scrambling the letters in lhumc.