aaaa aaac aaad aaae aaca aacc aacd aace aada aadc aade aaea aaec acaa acac acad acae acca accc accd acce acda acdc acde ace- acea acec aced adaa adac adad adae adcc adda addc addd adde adea adee aeac aede c-cd caaa caac cac- caca cacc cace cada cadc cadd cade caec ccaa ccac ccad ccca cccc ccdc cced ccee cd-e cdaa cdac cdad cdda cdec ceac cead cec- ceca cece ceda cedd cede ceec daad daae daca dace dada dade dcca dccc dddd deac dead deae dec- deca decc decd dece deda dedd dede deed eaca eacc eada eadd eaec ecaa ecac ecad ecca eccc ecce ecdc eced edac edad edca edda eddc edde ede- edea eeca eede eeea eeee