chere hcere cehre echre hecre ehcre chree hcree crhee rchee hrcee rhcee cerhe ecrhe crehe rcehe erche reche herce ehrce hrece rhece erhce rehce cheer hceer ceher echer hecer ehcer cheer hceer ceher echer hecer ehcer ceehr ecehr ceehr ecehr eechr eechr heecr ehecr heecr ehecr eehcr eehcr chree hcree crhee rchee hrcee rhcee chere hcere cehre echre hecre ehcre crehe rcehe cerhe ecrhe reche erche hrece rhece herce ehrce rehce erhce cereh ecreh creeh rceeh erceh receh ceerh ecerh ceerh ecerh eecrh eecrh creeh rceeh cereh ecreh receh erceh erech reech eerch eerch reech erech herec ehrec hreec rheec erhec rehec heerc eherc heerc eherc eehrc eehrc hreec rheec herec ehrec rehec erhec erehc reehc eerhc eerhc reehc erehc
Note: these 'words' (valid or invalid) are all the permutations of the word chere. These words are obtained by scrambling the letters in chere.