msrat smrat mrsat rmsat srmat rsmat msart smart masrt amsrt samrt asmrt mrast rmast marst amrst ramst armst sramt rsamt sarmt asrmt rasmt arsmt msrta smrta mrsta rmsta srmta rsmta mstra smtra mtsra tmsra stmra tsmra mrtsa rmtsa mtrsa tmrsa rtmsa trmsa srtma rstma strma tsrma rtsma trsma msatr smatr mastr amstr samtr asmtr mstar smtar mtsar tmsar stmar tsmar matsr amtsr mtasr tmasr atmsr tamsr satmr astmr stamr tsamr atsmr tasmr mrats rmats marts amrts ramts armts mrtas rmtas mtras tmras rtmas trmas matrs amtrs mtars tmars atmrs tamrs ratms artms rtams trams atrms tarms sratm rsatm sartm asrtm rastm arstm srtam rstam stram tsram rtsam trsam satrm astrm starm tsarm atsrm tasrm ratsm artsm rtasm trasm atrsm tarsm
Note: these 'words' (valid or invalid) are all the permutations of the word msrat. These words are obtained by scrambling the letters in msrat.