cashr acshr csahr scahr aschr sachr cahsr achsr chasr hcasr ahcsr hacsr cshar schar chsar hcsar shcar hscar ashcr sahcr ahscr hascr shacr hsacr casrh acsrh csarh scarh ascrh sacrh carsh acrsh crash rcash arcsh racsh csrah scrah crsah rcsah srcah rscah asrch sarch arsch rasch srach rsach cahrs achrs chars hcars ahcrs hacrs carhs acrhs crahs rcahs archs rachs chras hcras crhas rchas hrcas rhcas ahrcs harcs arhcs rahcs hracs rhacs cshra schra chsra hcsra shcra hscra csrha scrha crsha rcsha srcha rscha chrsa hcrsa crhsa rchsa hrcsa rhcsa shrca hsrca srhca rshca hrsca rhsca ashrc sahrc ahsrc hasrc sharc hsarc asrhc sarhc arshc rashc srahc rsahc ahrsc harsc arhsc rahsc hrasc rhasc shrac hsrac srhac rshac hrsac rhsac
Note: these 'words' (valid or invalid) are all the permutations of the word cashr. These words are obtained by scrambling the letters in cashr.