hocks ohcks hcoks choks ochks cohks hokcs ohkcs hkocs khocs okhcs kohcs hckos chkos hkcos khcos ckhos kchos ockhs cokhs okchs kochs ckohs kcohs hocsk ohcsk hcosk chosk ochsk cohsk hosck ohsck hsock shock oshck sohck hcsok chsok hscok shcok cshok schok ocshk coshk oschk sochk csohk scohk hoksc ohksc hkosc khosc okhsc kohsc hoskc ohskc hsokc shokc oshkc sohkc hksoc khsoc hskoc shkoc kshoc skhoc okshc koshc oskhc sokhc ksohc skohc hckso chkso hkcso khcso ckhso kchso hcsko chsko hscko shcko cshko schko hksco khsco hskco shkco kshco skhco cksho kcsho cskho sckho kscho skcho ocksh coksh okcsh kocsh ckosh kcosh ocskh coskh osckh sockh csokh scokh oksch kosch oskch sokch ksoch skoch cksoh kcsoh cskoh sckoh kscoh skcoh
Note: these 'words' (valid or invalid) are all the permutations of the word hocks. These words are obtained by scrambling the letters in hocks.