pikes ipkes pkies kpies ikpes kipes pieks ipeks peiks epiks iepks eipks pkeis kpeis pekis epkis kepis ekpis ikeps kieps iekps eikps keips ekips pikse ipkse pkise kpise ikpse kipse piske ipske psike spike ispke sipke pksie kpsie pskie spkie kspie skpie ikspe kispe iskpe sikpe ksipe skipe piesk ipesk peisk episk iepsk eipsk pisek ipsek psiek spiek ispek sipek pesik epsik pseik speik espik sepik iespk eispk isepk siepk esipk seipk pkesi kpesi peksi epksi kepsi ekpsi pksei kpsei pskei spkei kspei skpei peski epski pseki speki espki sepki kespi ekspi ksepi skepi eskpi sekpi ikesp kiesp ieksp eiksp keisp ekisp iksep kisep iskep sikep ksiep skiep ieskp eiskp isekp siekp esikp seikp kesip eksip kseip skeip eskip sekip
Note: these 'words' (valid or invalid) are all the permutations of the word pikes. These words are obtained by scrambling the letters in pikes.