edrip derip erdip redip dreip rdeip edirp deirp eidrp iedrp dierp iderp eridp reidp eirdp ierdp riedp iredp driep rdiep direp idrep ridep irdep edrpi derpi erdpi redpi drepi rdepi edpri depri epdri pedri dperi pderi erpdi repdi eprdi perdi rpedi predi drpei rdpei dprei pdrei rpdei prdei edipr deipr eidpr iedpr diepr idepr edpir depir epdir pedir dpeir pdeir eipdr iepdr epidr peidr ipedr piedr diper idper dpier pdier ipder pider eripd reipd eirpd ierpd riepd irepd erpid repid eprid perid rpeid preid eiprd ieprd epird peird iperd pierd riped irped rpied pried ipred pired dripe rdipe dirpe idrpe ridpe irdpe drpie rdpie dprie pdrie rpdie prdie dipre idpre dpire pdire ipdre pidre ripde irpde rpide pride iprde pirde
Note: these 'words' (valid or invalid) are all the permutations of the word edrip. These words are obtained by scrambling the letters in edrip.