chowk hcowk cohwk ochwk hocwk ohcwk chwok hcwok cwhok wchok hwcok whcok cowhk ocwhk cwohk wcohk owchk wochk howck ohwck hwock whock owhck wohck chokw hcokw cohkw ochkw hockw ohckw chkow hckow ckhow kchow hkcow khcow cokhw ockhw ckohw kcohw okchw kochw hokcw ohkcw hkocw khocw okhcw kohcw chwko hcwko cwhko wchko hwcko whcko chkwo hckwo ckhwo kchwo hkcwo khcwo cwkho wckho ckwho kcwho wkcho kwcho hwkco whkco hkwco khwco wkhco kwhco cowkh ocwkh cwokh wcokh owckh wockh cokwh ockwh ckowh kcowh okcwh kocwh cwkoh wckoh ckwoh kcwoh wkcoh kwcoh owkch wokch okwch kowch wkoch kwoch howkc ohwkc hwokc whokc owhkc wohkc hokwc ohkwc hkowc khowc okhwc kohwc hwkoc whkoc hkwoc khwoc wkhoc kwhoc owkhc wokhc okwhc kowhc wkohc kwohc
Note: these 'words' (valid or invalid) are all the permutations of the word chowk. These words are obtained by scrambling the letters in chowk.