repos erpos rpeos preos epros peros reops erops roeps oreps eorps oerps rpoes proes ropes orpes pores opres epors peors eoprs oeprs poers opers repso erpso rpeso preso eprso perso respo erspo rsepo srepo esrpo serpo rpseo prseo rspeo srpeo psreo spreo epsro pesro espro sepro psero spero reosp erosp roesp oresp eorsp oersp resop ersop rseop sreop esrop serop rosep orsep rsoep sroep osrep sorep eosrp oesrp esorp seorp oserp soerp rpose prose ropse orpse porse oprse rpsoe prsoe rspoe srpoe psroe sproe rospe orspe rsope srope osrpe sorpe posre opsre psore spore ospre sopre eposr peosr eopsr oepsr poesr opesr epsor pesor espor sepor pseor speor eospr oespr esopr seopr osepr soepr poser opser psoer spoer osper soper
Note: these 'words' (valid or invalid) are all the permutations of the word repos. These words are obtained by scrambling the letters in repos.