keech ekech keech ekech eekch eekch keceh ekceh kceeh ckeeh eckeh cekeh keceh ekceh kceeh ckeeh eckeh cekeh eeckh eeckh ecekh ceekh ecekh ceekh keehc ekehc keehc ekehc eekhc eekhc kehec ekhec kheec hkeec ehkec hekec kehec ekhec kheec hkeec ehkec hekec eehkc eehkc ehekc heekc ehekc heekc keche ekche kcehe ckehe eckhe cekhe kehce ekhce khece hkece ehkce hekce kchee ckhee khcee hkcee chkee hckee echke cehke ehcke hecke cheke hceke keche ekche kcehe ckehe eckhe cekhe kehce ekhce khece hkece ehkce hekce kchee ckhee khcee hkcee chkee hckee echke cehke ehcke hecke cheke hceke eechk eechk ecehk ceehk ecehk ceehk eehck eehck eheck heeck eheck heeck echek cehek ehcek hecek cheek hceek echek cehek ehcek hecek cheek hceek
Note: these 'words' (valid or invalid) are all the permutations of the word keech. These words are obtained by scrambling the letters in keech.