murri umrri mruri rmuri urmri rumri murri umrri mruri rmuri urmri rumri mrrui rmrui mrrui rmrui rrmui rrmui urrmi rurmi urrmi rurmi rrumi rrumi murir umrir mruir rmuir urmir rumir muirr umirr miurr imurr uimrr iumrr mriur rmiur mirur imrur rimur irmur urimr ruimr uirmr iurmr riumr irumr murir umrir mruir rmuir urmir rumir muirr umirr miurr imurr uimrr iumrr mriur rmiur mirur imrur rimur irmur urimr ruimr uirmr iurmr riumr irumr mrriu rmriu mrriu rmriu rrmiu rrmiu mriru rmiru mirru imrru rimru irmru mriru rmiru mirru imrru rimru irmru rrimu rrimu rirmu irrmu rirmu irrmu urrim rurim urrim rurim rruim rruim urirm ruirm uirrm iurrm riurm irurm urirm ruirm uirrm iurrm riurm irurm rrium rrium rirum irrum rirum irrum
Note: these 'words' (valid or invalid) are all the permutations of the word murri. These words are obtained by scrambling the letters in murri.