moups omups muops umops oumps uomps mopus ompus mpous pmous opmus pomus mupos umpos mpuos pmuos upmos pumos oupms uopms opums poums upoms puoms mousp omusp muosp umosp oumsp uomsp mosup omsup msoup smoup osmup somup musop umsop msuop smuop usmop sumop ousmp uosmp osump soump usomp suomp mopsu ompsu mposu pmosu opmsu pomsu mospu omspu msopu smopu osmpu sompu mpsou pmsou mspou smpou psmou spmou opsmu posmu ospmu sopmu psomu spomu mupso umpso mpuso pmuso upmso pumso muspo umspo msupo smupo usmpo sumpo mpsuo pmsuo mspuo smpuo psmuo spmuo upsmo pusmo uspmo supmo psumo spumo oupsm uopsm opusm pousm uposm puosm ouspm uospm osupm soupm usopm suopm opsum posum ospum sopum psoum spoum upsom pusom uspom supom psuom spuom
Note: these 'words' (valid or invalid) are all the permutations of the word moups. These words are obtained by scrambling the letters in moups.