chads hcads cahds achds hacds ahcds chdas hcdas cdhas dchas hdcas dhcas cadhs acdhs cdahs dcahs adchs dachs hadcs ahdcs hdacs dhacs adhcs dahcs chasd hcasd cahsd achsd hacsd ahcsd chsad hcsad cshad schad hscad shcad cashd acshd csahd scahd aschd sachd hascd ahscd hsacd shacd ashcd sahcd chdsa hcdsa cdhsa dchsa hdcsa dhcsa chsda hcsda cshda schda hscda shcda cdsha dcsha csdha scdha dscha sdcha hdsca dhsca hsdca shdca dshca sdhca cadsh acdsh cdash dcash adcsh dacsh casdh acsdh csadh scadh ascdh sacdh cdsah dcsah csdah scdah dscah sdcah adsch dasch asdch sadch dsach sdach hadsc ahdsc hdasc dhasc adhsc dahsc hasdc ahsdc hsadc shadc ashdc sahdc hdsac dhsac hsdac shdac dshac sdhac adshc dashc asdhc sadhc dsahc sdahc
Note: these 'words' (valid or invalid) are all the permutations of the word chads. These words are obtained by scrambling the letters in chads.