spdoe psdoe sdpoe dspoe pdsoe dpsoe spode psode sopde ospde posde opsde sdope dsope sodpe osdpe dospe odspe pdose dpose podse opdse dopse odpse spdeo psdeo sdpeo dspeo pdseo dpseo spedo psedo sepdo espdo pesdo epsdo sdepo dsepo sedpo esdpo despo edspo pdeso dpeso pedso epdso depso edpso spoed psoed soped osped posed opsed speod pseod sepod espod pesod epsod soepd osepd seopd esopd oespd eospd poesd opesd peosd eposd oepsd eopsd sdoep dsoep sodep osdep dosep odsep sdeop dseop sedop esdop desop edsop soedp osedp seodp esodp oesdp eosdp doesp odesp deosp edosp oedsp eodsp pdoes dpoes podes opdes dopes odpes pdeos dpeos pedos epdos depos edpos poeds opeds peods epods oepds eopds doeps odeps deops edops oedps eodps
Note: these 'words' (valid or invalid) are all the permutations of the word spdoe. These words are obtained by scrambling the letters in spdoe.