a-ha a-ii aaaa aaac aaad aaae aaah aaai aaca aacc aacd aace aach aaci aada aadc aade aadi aaea aaec aaha aaic aaii acaa acac acad acae acai acca accc accd acce acch acci acda acdc acde acdi ace- acea acec aced aceh acha ache achh achi aci- acia acic acid acie adaa adac adad adae adah adai adcc adci adda addc addd adde addi adea adee adeh adha adhd adhi adia adic adie aeac aeci aede ahac ahad ahah ahai ahdi ahed ahex ahha aiai aica aicc aicd aice aich aida aidc aide aidi aiea aiee aiha aiia aiic aiid aixa aixi axce axed axi- axia axie c-cd caaa caac caah cac- caca cacc cace cach caci cada cadc cadd cade cadi caec caei caex caha cahe caia caic caid caix caxa ccaa ccac ccad ccai ccca cccc ccci ccdc ccdh ccdi cced ccee ccha cche ccic ccid ccii ccix ccxi cd-e cdaa cdac cdad cdai cdax cdda cdec cdex cdic cdii cdxi ceac cead cec- ceca cece ceci ceda cedd cede cedi ceec cexe chaa chac chad chae chah chai chax chca chce chch chci chdi chea chec ched chee cheh chex chha chia chic chid chie chih ciaa cica cicc cich cici cida cidc cide cidi ciee ciia ciid ciii cixi cxii cxix cxxi cxxx d-ix daad daae daca dace daci dada dade dadi daha dahe dahi daia daid daie daix dcca dccc dcci dche dcia dcii dcix dcxi dcxx dddd ddie deac dead deae dec- deca decc decd dece deci deda dedd dede dedi deed deha dehi deid deie deih dex- dexa dexe dhaa dhad dhai dhec dhed dhee dia- diac diad diax dica dice dich dici dida dide didi diea died diex diii dixi dxcc dxci dxdc dxec dxed dxii dxix dxxx eaca eacc each eada eadd eadi eaec ecaa ecac ecad ecai ecca eccc ecce ecci ecdc eced echa eche edac edad edah edax edca edda eddc edde eddi ede- edea edeh edei edex edhi edia edie eeca eede eeea eeee ehaa ehcc ehdd ehea eheh eica eich eid- eide eidi eiec eied eiei eiha exa- exai exch exda exec exed exh- exhi exid h-ii haad hace hada hade hadh hadi haec haed haha haid haie haxe haxi hcca hccc hcch hchi hdax hdca hdci hdda head heah heca hech heda hedd hede hedi heed hehe heia heic heid heie heih hex- hexa hexe hexi hhaa hhex hhhh hi-c hiaa hicc hice hich hida hide hidi hied hiei hihc hihe hihi hiie iaaa iaac iaai iaca iacc iadc iaea iaec iahc iaia icaa icac icad icai icca iccc icci icdc icdd icde icea icec iced icee icex ichc ichd iche ichi idad idae idah idca idce idda idea idec ided idee idex idha idia idic idid idie ieac iecc ieie ihad ihcc ihed iiac iica iicd iida iide iied iiie iiii ixia ixxi x-ed xace xcii xdcc xexe xiah xica xidi xihe xiii xixi xxii xxix xxxi xxxx