ohcra hocra ochra cohra hcora chora ohrca horca orhca rohca hroca rhoca ocrha corha orcha rocha croha rcoha hcroa chroa hrcoa rhcoa crhoa rchoa ohcar hocar ochar cohar hcoar choar ohacr hoacr oahcr aohcr haocr ahocr ocahr coahr oachr aochr caohr acohr hcaor chaor hacor ahcor cahor achor ohrac horac orhac rohac hroac rhoac oharc hoarc oahrc aohrc haorc ahorc orahc roahc oarhc aorhc raohc arohc hraoc rhaoc haroc ahroc rahoc arhoc ocrah corah orcah rocah croah rcoah ocarh coarh oacrh aocrh caorh acorh orach roach oarch aorch raoch aroch craoh rcaoh caroh acroh racoh arcoh hcrao chrao hrcao rhcao crhao rchao hcaro charo hacro ahcro cahro achro hraco rhaco harco ahrco rahco arhco craho rcaho carho acrho racho archo
Note: these 'words' (valid or invalid) are all the permutations of the word ohcra. These words are obtained by scrambling the letters in ohcra.