rimus irmus rmius mrius imrus mirus riums irums ruims urims iurms uirms rmuis mruis rumis urmis muris umris imurs miurs iumrs uimrs muirs umirs rimsu irmsu rmisu mrisu imrsu mirsu rismu irsmu rsimu srimu isrmu sirmu rmsiu mrsiu rsmiu srmiu msriu smriu imsru misru ismru simru msiru smiru riusm irusm ruism urism iursm uirsm risum irsum rsium srium isrum sirum rusim ursim rsuim sruim usrim surim iusrm uisrm isurm siurm usirm suirm rmusi mrusi rumsi urmsi mursi umrsi rmsui mrsui rsmui srmui msrui smrui rusmi ursmi rsumi srumi usrmi surmi musri umsri msuri smuri usmri sumri imusr miusr iumsr uimsr muisr umisr imsur misur ismur simur msiur smiur iusmr uismr isumr siumr usimr suimr musir umsir msuir smuir usmir sumir
Note: these 'words' (valid or invalid) are all the permutations of the word rimus. These words are obtained by scrambling the letters in rimus.