muids umids miuds imuds uimds iumds mudis umdis mduis dmuis udmis dumis midus imdus mdius dmius idmus dimus uidms iudms udims duims idums diums muisd umisd miusd imusd uimsd iumsd musid umsid msuid smuid usmid sumid misud imsud msiud smiud ismud simud uismd iusmd usimd suimd isumd siumd mudsi umdsi mdusi dmusi udmsi dumsi musdi umsdi msudi smudi usmdi sumdi mdsui dmsui msdui smdui dsmui sdmui udsmi dusmi usdmi sudmi dsumi sdumi midsu imdsu mdisu dmisu idmsu dimsu misdu imsdu msidu smidu ismdu simdu mdsiu dmsiu msdiu smdiu dsmiu sdmiu idsmu dismu isdmu sidmu dsimu sdimu uidsm iudsm udism duism idusm diusm uisdm iusdm usidm suidm isudm siudm udsim dusim usdim sudim dsuim sduim idsum disum isdum sidum dsium sdium
Note: these 'words' (valid or invalid) are all the permutations of the word muids. These words are obtained by scrambling the letters in muids.