a-do aaaa aaac aaad aaae aaca aacc aacd aace aaco aada aadc aade aaea aaec aaoe aaoo acaa acac acad acae acca accc accd acce acco acda acdc acde ace- acea acec aced acoa acod acoe adaa adac adad adae adao adcc adda addc addd adde addo adea adee adeo adoc adod adoe adoo adox aeac aede aoca aoce axce axed axo- axoa axxo c-cd caaa caac cac- caca cacc cace caco cada cadc cadd cade cado caec caex caod caxa ccaa ccac ccad ccca cccc ccdc cced ccee ccoc ccod cd-e cdaa cdac cdad cdax cdda cdec cdex ceac cead cec- ceca cece ceco ceda cedd cede cedo ceec cexe coad coax coca coce coco coda codd code coed coex cood coxa coxe cxxx daad daae daca dace dada dade dado dcca dccc dcxx dddd ddoc deac dead deae dec- deca decc decd dece deco deda dedd dede dedo deed dex- dexa dexe do-x doae doca doce doco dod- doda dodd dode dodo doea dood doxa dxcc dxco dxdc dxec dxed dxoc dxxx eaca eacc eada eadd eaec ecaa ecac ecad ecao ecca eccc ecce ecco ecdc eced eco- ecod edac edad edax edca edda eddc edde eddo ede- edea edex edoc edod eeca eede eeea eeee eeoc eocd eode exa- exco exda exec exed exo- exod o-eo oade ocac ocad occa occc oce oced ocee odac odax odda oddd odea oded odeo odex odoo oeax oec- oeca oecc oedo oeec ooaa ooda oooo oxa- oxea oxo- oxox oxxo x-ed xace xado xdcc xexe xoca xoco xoxo xxxo xxxx