a-do aaaa aaad aaae aaar aada aade aaea aaoe aaoo aara aard aare aaro adaa adad adae adao adar adda addd adde addo addr adea adee adeo ader adod adoe adoo ador adox adra adre adro aede aeer aer- aera aerd aero aora arad arae arar arax arda arde ardo area ared aree areo arex aroa arod aroe aroo aror arr- arra arre arro arrr axar axed axer axo- axoa axxo daad daae daar dada dade dado daer dara dard dare daro darr dddd ddre dead deae dear deda dedd dede dedo deed deer deor der- dera dere dero derr dex- dexa dexe do-x doae doar dod- doda dodd dode dodo doea doer dood door dora dord dore doro dorr doxa draa drad drar drax drda drea dred dree drod drra dxdr dxed dxra dxrd dxre dxrr dxrx dxxr dxxx eada eadd eara eard eare earo edad edar edax edda edde eddo ede- edea eder edex edod edra eede eeea eeee eera eero eode eora eore er-x erad erda erde ered erer erod eroe eroo erra erre erro exa- exda exed exer exo- exod exor exrx o-eo oade oaer oara oare odax odda oddd odea oded odeo oder odex odoo odor odra oeax oedo oera oere ooaa ooda ooer oooo oora oord oore orad orae orao orar orda orde ordo ore- orea ored oreo orer orex oro- oroe oror orra orro oxa- oxea oxer oxo- oxox oxxo raad rada radd rade rado radr radx raed raer rara rare raro raxa rder rea- read reae reao rear reda redd rede redo redr redx reed reod rera rerd rere rero rexx road roar roda rodd rode rodo roea roed roer rood roor roox rora rore roro roxa roxo rrad rred rrrr x-ed xaar xado xara xare xeer xer- xera xero xexe xoro xoxo xrod xxxo xxxx