ohrsa horsa orhsa rohsa hrosa rhosa ohsra hosra oshra sohra hsora shora orsha rosha osrha sorha rsoha sroha hrsoa rhsoa hsroa shroa rshoa srhoa ohras horas orhas rohas hroas rhoas ohars hoars oahrs aohrs haors ahors orahs roahs oarhs aorhs raohs arohs hraos rhaos haros ahros rahos arhos ohsar hosar oshar sohar hsoar shoar ohasr hoasr oahsr aohsr haosr ahosr osahr soahr oashr aoshr saohr asohr hsaor shaor hasor ahsor sahor ashor orsah rosah osrah sorah rsoah sroah orash roash oarsh aorsh raosh arosh osarh soarh oasrh aosrh saorh asorh rsaoh sraoh rasoh arsoh saroh asroh hrsao rhsao hsrao shrao rshao srhao hraso rhaso harso ahrso rahso arhso hsaro sharo hasro ahsro sahro ashro rsaho sraho rasho arsho sarho asrho
Note: these 'words' (valid or invalid) are all the permutations of the word ohrsa. These words are obtained by scrambling the letters in ohrsa.