hevea ehvea hveea vheea evhea vehea heeva eheva heeva eheva eehva eehva hveea vheea hevea ehvea vehea evhea eveha veeha eevha eevha veeha eveha hevae ehvae hveae vheae evhae vehae heave ehave haeve aheve eahve aehve hvaee vhaee havee ahvee vahee avhee evahe veahe eavhe aevhe vaehe avehe heeav eheav heeav eheav eehav eehav heaev ehaev haeev aheev eahev aehev heaev ehaev haeev aheev eahev aehev eeahv eeahv eaehv aeehv eaehv aeehv hveae vheae hevae ehvae vehae evhae hvaee vhaee havee ahvee vahee avhee heave ehave haeve aheve eahve aehve veahe evahe vaehe avehe eavhe aevhe eveah veeah eevah eevah veeah eveah evaeh veaeh eaveh aeveh vaeeh aveeh eeavh eeavh eaevh aeevh eaevh aeevh veaeh evaeh vaeeh aveeh eaveh aeveh
Note: these 'words' (valid or invalid) are all the permutations of the word hevea. These words are obtained by scrambling the letters in hevea.