a-ak a-ha aaaa aaac aaad aaae aaah aaca aacc aacd aace aach aack aada aadc aade aaea aaec aaha aahk aaka aake acaa acac acad acae acca accc accd acce acch acda acdc acde ace- acea acec aced aceh acek acha ache achh ackd acke adaa adac adad adae adah adak adcc adda addc addd adde adea adee adeh adha adhd aeac aede aeka ahac ahad ahah ahed ahha akaa akae akah akca aked akee akha akka c-cd caaa caac caah cac- caca cacc cace cach cack cada cadc cadd cade caec caha cahe caka cake ccaa ccac ccad ccca cccc ccdc ccdh cced ccee ccha cche cd-e cdaa cdac cdad cdda cdec ceac cead cec- ceca cece ceda cedd cede ceec ceke chaa chac chad chae chah chak chca chce chch chea chec ched chee cheh chek chha chka ckac ckch ckck daad daae daca dace dada dade daha dahe daka dake dcca dccc dche dddd deac dead deae deak dec- deca decc decd dece deck deda dedd dede deed deek deha dek- deka deke dekh dhaa dhad dhak dhec dhed dhee dkdc eaca eacc each eada eadd eaec ecaa ecac ecad ecca eccc ecce ecdc eced echa eche ecka edac edad edah edca edda eddc edde ede- edea edeh eeca eede eeea eeee eeka eeke ehaa ehcc ehdd ehea eheh eka- ekch eked ekek ekka haad haak hace hack hada hade hadh haec haed haha haka hake hakk hcca hccc hcch hdca hdda head heah heca hech heck heda hedd hede heed heek hehe heka heke hhaa hhhh hkcc kaaa kaak kacc kacd kace kach kad- kada kadd kade kaeh kaha kahc kahe kaka kakc kake kakh kakk kcaa kcac kcad kcah kcca kccc kccd kcck kcda kcdc kcdd kcea kcec kced kcee kcha kche kchh kchk kckc kckk kdaa kdac kdad kdae kdak kdca kdcc kdcd kdce kddc kddd kddk kdec kdka kdkd kdkk kea- kead keak keca kech keck keda kedc kedd kede keed keeh keek kehk keka kekc keke khac khad khak khca khcc khch khck khdc khdk khec khed khhk khka khke khkk kkaa kkac kkcd kkch kkck kkda kkdc kkdd kkea kked kkha kkhh kkhk kkkk