a-ak aaaa aaac aaad aaae aaca aacc aacd aace aack aacu aada aadc aade aadu aaea aaec aaka aake aaku acaa acac acad acae acca accc accd acce accu acda acdc acde ace- acea acec aced acek ackd acke acu- acue adaa adac adad adae adak adcc adda addc addd adde addu adea adee adua adue aduk aeac aede aeka akaa akae akca aked akee akeu akka akku akua auaa auca auce audc aude auke c-cd caaa caac cac- caca cacc cace cack cada cadc cadd cade cadu caec caeu caka cake cauc cauk ccaa ccac ccad ccca cccc cccu ccdc cced ccee ccuc cd-e cdaa cdac cdad cdda cdec ceac cead cec- ceca cece ceda cedd cede cedu ceec ceke ckac ckck ckdu cuau cuca cucc cuce cuck cuda cude cued cuek cuk- cuka cuke daad daae daau daca dace dada dade dadu daeu daka dake daku daud daue dauk dcca dccc dccu dddd deac dead deae deak deau dec- deca decc decd dece deck deda dedd dede dedu deed deek dek- deka deke deua deue deuk dkdc duaa duad duca duce duck duda dudd dude dudu duka duke duku eaca eacc eada eadd eaec ecaa ecac ecad ecca eccc ecce ecdc eced ecka ecua edac edad edca edda eddc edde ede- edea educ eeca eede eedu eeea eeee eeka eeke eka- eked ekek ekka eucd eude kaaa kaak kacc kacd kace kacu kad- kada kadd kade kadu kaka kakc kake kakk kaku kau- kauc kaud kaue kauk kcaa kcac kcad kcau kcca kccc kccd kcck kccu kcda kcdc kcdd kcdu kcea kcec kced kcee kceu kckc kckk kcua kcue kcuk kdaa kdac kdad kdae kdak kdca kdcc kdcd kdce kddc kddd kddk kdec kdka kdkd kdkk kduc kea- kead keak keau keca keck keda kedc kedd kede keed keek keka kekc keke keku kkaa kkac kkcd kkck kkda kkdc kkdd kkea kked kkkk kkua kkuu kuac kuau kuca kucc kucd kuce kuda kudd kude kudu kued kuek kueu kuka kuke kukk kuku kuuk kuuu uaca uaua ucad ucak ucca ucdc ucdd ucea ucka ucua udaa udad udau udca udea uduk ueda ukcc ukek ukeu uuuu