prick rpick pirck iprck ripck irpck prcik rpcik pcrik cprik rcpik crpik picrk ipcrk pcirk cpirk icprk ciprk ricpk ircpk rcipk cripk icrpk cirpk prikc rpikc pirkc iprkc ripkc irpkc prkic rpkic pkric kpric rkpic krpic pikrc ipkrc pkirc kpirc ikprc kiprc rikpc irkpc rkipc kripc ikrpc kirpc prcki rpcki pcrki cprki rcpki crpki prkci rpkci pkrci kprci rkpci krpci pckri cpkri pkcri kpcri ckpri kcpri rckpi crkpi rkcpi krcpi ckrpi kcrpi pickr ipckr pcikr cpikr icpkr cipkr pikcr ipkcr pkicr kpicr ikpcr kipcr pckir cpkir pkcir kpcir ckpir kcpir ickpr cikpr ikcpr kicpr ckipr kcipr rickp irckp rcikp crikp icrkp cirkp rikcp irkcp rkicp kricp ikrcp kircp rckip crkip rkcip krcip ckrip kcrip ickrp cikrp ikcrp kicrp ckirp kcirp
Note: these 'words' (valid or invalid) are all the permutations of the word prick. These words are obtained by scrambling the letters in prick.