pecky epcky pceky cpeky ecpky cepky pekcy epkcy pkecy kpecy ekpcy kepcy pckey cpkey pkcey kpcey ckpey kcpey eckpy cekpy ekcpy kecpy ckepy kcepy pecyk epcyk pceyk cpeyk ecpyk cepyk peyck epyck pyeck ypeck eypck yepck pcyek cpyek pycek ypcek cypek ycpek ecypk ceypk eycpk yecpk cyepk ycepk pekyc epkyc pkeyc kpeyc ekpyc kepyc peykc epykc pyekc ypekc eypkc yepkc pkyec kpyec pykec ypkec kypec ykpec ekypc keypc eykpc yekpc kyepc ykepc pckye cpkye pkcye kpcye ckpye kcpye pcyke cpyke pycke ypcke cypke ycpke pkyce kpyce pykce ypkce kypce ykpce ckype kcype cykpe yckpe kycpe ykcpe eckyp cekyp ekcyp kecyp ckeyp kceyp ecykp ceykp eyckp yeckp cyekp ycekp ekycp keycp eykcp yekcp kyecp ykecp ckyep kcyep cykep yckep kycep ykcep
Note: these 'words' (valid or invalid) are all the permutations of the word pecky. These words are obtained by scrambling the letters in pecky.