ummas mumas ummas mumas mmuas mmuas umams muams uamms aumms maums amums umams muams uamms aumms maums amums mmaus mmaus mamus ammus mamus ammus ummsa mumsa ummsa mumsa mmusa mmusa umsma musma usmma summa msuma smuma umsma musma usmma summa msuma smuma mmsua mmsua msmua smmua msmua smmua umasm muasm uamsm aumsm mausm amusm umsam musam usmam sumam msuam smuam uasmm ausmm usamm suamm asumm saumm masum amsum msaum smaum asmum samum umasm muasm uamsm aumsm mausm amusm umsam musam usmam sumam msuam smuam uasmm ausmm usamm suamm asumm saumm masum amsum msaum smaum asmum samum mmasu mmasu mamsu ammsu mamsu ammsu mmsau mmsau msmau smmau msmau smmau masmu amsmu msamu smamu asmmu sammu masmu amsmu msamu smamu asmmu sammu
Note: these 'words' (valid or invalid) are all the permutations of the word ummas. These words are obtained by scrambling the letters in ummas.