mobsa ombsa mbosa bmosa obmsa bomsa mosba omsba msoba smoba osmba somba mbsoa bmsoa msboa smboa bsmoa sbmoa obsma bosma osbma sobma bsoma sboma mobas ombas mboas bmoas obmas bomas moabs omabs maobs amobs oambs aombs mbaos bmaos mabos ambos bamos abmos obams boams oabms aobms baoms aboms mosab omsab msoab smoab osmab somab moasb omasb maosb amosb oamsb aomsb msaob smaob masob amsob samob asmob osamb soamb oasmb aosmb saomb asomb mbsao bmsao msbao smbao bsmao sbmao mbaso bmaso mabso ambso bamso abmso msabo smabo masbo amsbo sambo asmbo bsamo sbamo basmo absmo sabmo asbmo obsam bosam osbam sobam bsoam sboam obasm boasm oabsm aobsm baosm abosm osabm soabm oasbm aosbm saobm asobm bsaom sbaom basom absom sabom asbom
Note: these 'words' (valid or invalid) are all the permutations of the word mobsa. These words are obtained by scrambling the letters in mobsa.