impel mipel ipmel pimel mpiel pmiel imepl miepl iempl eimpl meipl emipl ipeml pieml iepml eipml peiml epiml mpeil pmeil mepil empil pemil epmil imple miple ipmle pimle mpile pmile imlpe milpe ilmpe limpe mlipe lmipe iplme pilme ilpme lipme plime lpime mplie pmlie mlpie lmpie plmie lpmie imelp mielp iemlp eimlp meilp emilp imlep milep ilmep limep mliep lmiep ielmp eilmp ilemp liemp elimp leimp melip emlip mleip lmeip elmip lemip ipelm pielm ieplm eiplm peilm epilm iplem pilem ilpem lipem pliem lpiem ielpm eilpm ilepm liepm elipm leipm pelim eplim pleim lpeim elpim lepim mpeli pmeli mepli empli pemli epmli mplei pmlei mlpei lmpei plmei lpmei melpi emlpi mlepi lmepi elmpi lempi pelmi eplmi plemi lpemi elpmi lepmi
Note: these 'words' (valid or invalid) are all the permutations of the word impel. These words are obtained by scrambling the letters in impel.