cronk rconk cornk ocrnk rocnk orcnk crnok rcnok cnrok ncrok rncok nrcok conrk ocnrk cnork ncork oncrk nocrk ronck ornck rnock nrock onrck norck crokn rcokn corkn ocrkn rockn orckn crkon rckon ckron kcron rkcon krcon cokrn ockrn ckorn kcorn okcrn kocrn rokcn orkcn rkocn krocn okrcn korcn crnko rcnko cnrko ncrko rncko nrcko crkno rckno ckrno kcrno rkcno krcno cnkro nckro cknro kcnro nkcro kncro rnkco nrkco rknco krnco nkrco knrco conkr ocnkr cnokr ncokr onckr nockr coknr ocknr ckonr kconr okcnr kocnr cnkor nckor cknor kcnor nkcor kncor onkcr nokcr okncr koncr nkocr knocr ronkc ornkc rnokc nrokc onrkc norkc roknc orknc rkonc kronc okrnc kornc rnkoc nrkoc rknoc krnoc nkroc knroc onkrc nokrc oknrc konrc nkorc knorc
Note: these 'words' (valid or invalid) are all the permutations of the word cronk. These words are obtained by scrambling the letters in cronk.