pocks opcks pcoks cpoks ocpks copks pokcs opkcs pkocs kpocs okpcs kopcs pckos cpkos pkcos kpcos ckpos kcpos ockps cokps okcps kocps ckops kcops pocsk opcsk pcosk cposk ocpsk copsk posck opsck psock spock ospck sopck pcsok cpsok pscok spcok cspok scpok ocspk cospk oscpk socpk csopk scopk poksc opksc pkosc kposc okpsc kopsc poskc opskc psokc spokc ospkc sopkc pksoc kpsoc pskoc spkoc kspoc skpoc okspc kospc oskpc sokpc ksopc skopc pckso cpkso pkcso kpcso ckpso kcpso pcsko cpsko pscko spcko cspko scpko pksco kpsco pskco spkco kspco skpco ckspo kcspo cskpo sckpo kscpo skcpo ocksp coksp okcsp kocsp ckosp kcosp ocskp coskp osckp sockp csokp scokp okscp koscp oskcp sokcp ksocp skocp cksop kcsop cskop sckop kscop skcop
Note: these 'words' (valid or invalid) are all the permutations of the word pocks. These words are obtained by scrambling the letters in pocks.