a-ak aaaa aaac aaad aaae aaca aacc aacd aace aack aada aadc aade aaea aaec aage aaka aake acaa acac acad acae acag acca accc accd acce acda acdc acde ace- acea acec aced acek acga ackd acke adaa adac adad adae adag adak adcc adda addc addd adde adea adee aeac aede aega aeka agac agad agag agca agcc agce agda agde agea aged agee agga agge akaa akae akca aked akee akeg akka c-cd caaa caac cac- caca cacc cace cack cada cadc cadd cade caec caga cage cagg caka cake ccaa ccac ccad ccag ccca cccc ccdc cced ccee ccga ccgc cd-e cdaa cdac cdad cdda cdec ceac cead cec- ceca cece ceda cedd cede ceec cege ceke cgac cgcc cgcg cged ckac ckck ckga daad daae daag daca dace dada dade daga dage dagg daka dake dcca dccc dddd deac dead deae deak dec- deca decc decd dece deck deda dedd dede deed deeg deek dega dege dek- deka deke dgac dgca dgeg dgge dgka dgkd dgkg dkdc eaca eacc eada eadd eaec eaga eage ecaa ecac ecad ecca eccc ecce ecdc eced ecka edac edad edag edca edda eddc edde ede- edea edge eeca eede eeea eeee eega eeka eeke egaa egad egae egcc egcg egea egec egee egge eka- eked ekek ekka gace gack gada gadd gade gadk gaea gaec gaed gaga gage gagg gc-c gcaa gccc gcda gdca gead geca gece geck geda gedd gede geed geek gege gegg gggg kaaa kaag kaak kacc kacd kace kad- kada kadd kade kag- kaga kagc kage kagg kaka kakc kake kakk kcaa kcac kcad kcca kccc kccd kcck kcda kcdc kcdd kcea kcec kced kcee kceg kcgc kckc kckk kdaa kdac kdad kdae kdag kdak kdca kdcc kdcd kdce kddc kddd kddg kddk kdec kdge kdka kdkd kdkk kea- kead keag keak keca kecg keck keda kedc kedd kede kedg keed keek kega kege kegg kegk keka kekc keke kgac kgak kgcc kgcd kgce kgdc kgdd kgec kged kgga kggg kkaa kkac kkag kkcd kkck kkda kkdc kkdd kkdg kkea kked kkeg kkkk