gmche mgche gcmhe cgmhe mcghe cmghe gmhce mghce ghmce hgmce mhgce hmgce gchme cghme ghcme hgcme chgme hcgme mchge cmhge mhcge hmcge chmge hcmge gmceh mgceh gcmeh cgmeh mcgeh cmgeh gmech mgech gemch egmch megch emgch gcemh cgemh gecmh egcmh cegmh ecgmh mcegh cmegh mecgh emcgh cemgh ecmgh gmhec mghec ghmec hgmec mhgec hmgec gmehc mgehc gemhc egmhc meghc emghc ghemc hgemc gehmc eghmc hegmc ehgmc mhegc hmegc mehgc emhgc hemgc ehmgc gchem cghem ghcem hgcem chgem hcgem gcehm cgehm gechm egchm ceghm ecghm ghecm hgecm gehcm eghcm hegcm ehgcm chegm hcegm cehgm echgm hecgm ehcgm mcheg cmheg mhceg hmceg chmeg hcmeg mcehg cmehg mechg emchg cemhg ecmhg mhecg hmecg mehcg emhcg hemcg ehmcg chemg hcemg cehmg echmg hecmg ehcmg
Note: these 'words' (valid or invalid) are all the permutations of the word gmche. These words are obtained by scrambling the letters in gmche.