hedera ehdera hdeera dheera edhera dehera heedra ehedra heedra ehedra eehdra eehdra hdeera dheera hedera ehdera dehera edhera edehra deehra eedhra eedhra deehra edehra hedrea ehdrea hderea dherea edhrea dehrea herdea ehrdea hredea rhedea erhdea rehdea hdreea dhreea hrdeea rhdeea drheea rdheea edrhea derhea erdhea redhea drehea rdehea heerda eherda heerda eherda eehrda eehrda hereda ehreda hreeda rheeda erheda reheda hereda ehreda hreeda rheeda erheda reheda eerhda eerhda erehda reehda erehda reehda hderea dherea hedrea ehdrea dehrea edhrea hdreea dhreea hrdeea rhdeea drheea rdheea herdea ehrdea hredea rhedea erhdea rehdea derhea edrhea drehea rdehea erdhea redhea ederha deerha eedrha eedrha deerha ederha edreha dereha erdeha redeha dreeha rdeeha eerdha eerdha eredha reedha eredha reedha dereha edreha dreeha rdeeha erdeha redeha hedear ehdear hdeear dheear edhear dehear heedar ehedar heedar ehedar eehdar eehdar hdeear dheear hedear ehdear dehear edhear edehar deehar eedhar eedhar deehar edehar hedaer ehdaer hdeaer dheaer edhaer dehaer header ehader haeder aheder eahder aehder hdaeer dhaeer hadeer ahdeer daheer adheer edaher deaher eadher aedher daeher adeher heeadr eheadr heeadr eheadr eehadr eehadr heaedr ehaedr haeedr aheedr eahedr aehedr heaedr ehaedr haeedr aheedr eahedr aehedr eeahdr eeahdr eaehdr aeehdr eaehdr aeehdr hdeaer dheaer hedaer ehdaer dehaer edhaer hdaeer dhaeer hadeer ahdeer daheer adheer header ehader haeder aheder eahder aehder deaher edaher daeher adeher eadher aedher edeahr deeahr eedahr eedahr deeahr edeahr edaehr deaehr eadehr aedehr daeehr adeehr eeadhr eeadhr eaedhr aeedhr eaedhr aeedhr deaehr edaehr daeehr adeehr eadehr aedehr hedrae ehdrae hderae dherae edhrae dehrae herdae ehrdae hredae rhedae erhdae rehdae hdreae dhreae hrdeae rhdeae drheae rdheae edrhae derhae erdhae redhae drehae rdehae hedare ehdare hdeare dheare edhare dehare headre ehadre haedre ahedre eahdre aehdre hdaere dhaere hadere ahdere dahere adhere edahre deahre eadhre aedhre daehre adehre herade ehrade hreade rheade erhade rehade hearde eharde haerde aherde eahrde aehrde hraede rhaede harede ahrede rahede arhede erahde reahde earhde aerhde raehde arehde hdraee dhraee hrdaee rhdaee drhaee rdhaee hdaree dharee hadree ahdree dahree adhree hradee rhadee hardee ahrdee rahdee arhdee drahee rdahee darhee adrhee radhee ardhee edrahe derahe erdahe redahe dreahe rdeahe edarhe dearhe eadrhe aedrhe daerhe aderhe eradhe readhe eardhe aerdhe raedhe aredhe draehe rdaehe darehe adrehe radehe ardehe heerad eherad heerad eherad eehrad eehrad heread ehread hreead rheead erhead rehead heread ehread hreead rheead erhead rehead eerhad eerhad erehad reehad erehad reehad heeard eheard heeard eheard eehard eehard heaerd ehaerd haeerd aheerd eaherd aeherd heaerd ehaerd haeerd aheerd eaherd aeherd eeahrd eeahrd eaehrd aeehrd eaehrd aeehrd heraed ehraed hreaed rheaed erhaed rehaed heared ehared haered ahered eahred aehred hraeed rhaeed hareed ahreed raheed arheed erahed reahed earhed aerhed raehed arehed heraed ehraed hreaed rheaed erhaed rehaed heared ehared haered ahered eahred aehred hraeed rhaeed hareed ahreed raheed arheed erahed reahed earhed aerhed raehed arehed eerahd eerahd ereahd reeahd ereahd reeahd eearhd eearhd eaerhd aeerhd eaerhd aeerhd eraehd reaehd earehd aerehd raeehd areehd eraehd reaehd earehd aerehd raeehd areehd hderae dherae hedrae ehdrae dehrae edhrae hdreae dhreae hrdeae rhdeae drheae rdheae herdae ehrdae hredae rhedae erhdae rehdae derhae edrhae drehae rdehae erdhae redhae hdeare dheare hedare ehdare dehare edhare hdaere dhaere hadere ahdere dahere adhere headre ehadre haedre ahedre eahdre aehdre deahre edahre daehre adehre eadhre aedhre hdraee dhraee hrdaee rhdaee drhaee rdhaee hdaree dharee hadree ahdree dahree adhree hradee rhadee hardee ahrdee rahdee arhdee drahee rdahee darhee adrhee radhee ardhee herade ehrade hreade rheade erhade rehade hearde eharde haerde aherde eahrde aehrde hraede rhaede harede ahrede rahede arhede erahde reahde earhde aerhde raehde arehde derahe edrahe dreahe rdeahe erdahe redahe dearhe edarhe daerhe aderhe eadrhe aedrhe draehe rdaehe darehe adrehe radehe ardehe eradhe readhe eardhe aerdhe raedhe aredhe ederah deerah eedrah eedrah deerah ederah edreah dereah erdeah redeah dreeah rdeeah eerdah eerdah eredah reedah eredah reedah dereah edreah dreeah rdeeah erdeah redeah edearh deearh eedarh eedarh deearh edearh edaerh deaerh eaderh aederh daeerh adeerh eeadrh eeadrh eaedrh aeedrh eaedrh aeedrh deaerh edaerh daeerh adeerh eaderh aederh edraeh deraeh erdaeh redaeh dreaeh rdeaeh edareh deareh eadreh aedreh daereh adereh eradeh readeh eardeh aerdeh raedeh aredeh draeeh rdaeeh dareeh adreeh radeeh ardeeh eeradh eeradh ereadh reeadh ereadh reeadh eeardh eeardh eaerdh aeerdh eaerdh aeerdh eraedh reaedh earedh aeredh raeedh areedh eraedh reaedh earedh aeredh raeedh areedh deraeh edraeh dreaeh rdeaeh erdaeh redaeh deareh edareh daereh adereh eadreh aedreh draeeh rdaeeh dareeh adreeh radeeh ardeeh eradeh readeh eardeh aerdeh raedeh aredeh
Note: these 'words' (valid or invalid) are all the permutations of the word hedera. These words are obtained by scrambling the letters in hedera.