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