a-be a-ha a-ii aaaa aaab aaac aaad aaae aaah aaai aaba aabb aabc aabd aabh aabi aaca aacb aacc aacd aace aach aaci aada aadc aade aadi aaea aaec aaha aaib aaic aaii abaa abab abac abad abae abai abb- abba abbb abbe abbi abca abcb abcc abcd abch abci abda abdi abec abed abee abha abhi abia abib abic abid abie acaa acab acac acad acae acai acba acca accc accd acce acch acci acda acdb acdc acde acdi ace- acea acec aced aceh acha ache achh achi aci- acia acic acid acie adaa adab adac adad adae adah adai adba adbc adbi adcc adci adda addc addd adde addi adea adeb adee adeh adha adhd adhi adia adib adic adie aeac aebi aecb aeci aede ahab ahac ahad ahah ahai ahdi ahed ahha aiai aiba aica aicc aicd aice aich aida aidb aidc aide aidi aiea aiee aiha aiia aiib aiic aiid ba-i baaa baad baah baba babb babe babi bac- baca bacc bace bach baci bada badb badd bade badh badi baed baha bahi baia baib baic baid baie bbad bbbb bbch bbci bbdd bbeb bcaa bcbc bcca bccc bcci bcda bcde bcec bchd bche bcia bcie bdbc bddc bddh bdii bead beah beba bebb bebe bebi beca bech beci beda bede bedi beeb beed beia beic bhai bhca bhcc bhie biad biba bibb bibe bibi bica bicc bice bich bici bida bide bidi bieb bied biha bihe bihi c-cd caaa caab caac caah caba cabe cabi cac- caca cacc cace cach caci cada cadc cadd cade cadi caec caei caha cahe caia caib caic caid cbac cbbc cbca cbcc cbce cbdb cbdc cbdi cbea cbec cbee cbha cbia cbid ccaa ccab ccac ccad ccai ccba ccbc ccca cccb cccc ccci ccdc ccdh ccdi cced ccee ccha cche ccic ccid ccii cd-e cdaa cdac cdad cdai cdba cdda cddb cdec cdic cdii ceac cead ceba cec- ceca cece ceci ceda cedd cede cedi ceeb ceec chaa chab chac chad chae chah chai chca chce chch chci chdi chea cheb chec ched chee cheh chha chia chib chic chid chie chih ciaa ciba cibc cibe cibi cica cicc cich cici cida cidc cide cidi ciee ciia ciid ciii daab daad daae daba dabb daca dace daci dada dade dadi daeb daha dahe dahi daia daid daie dbcc dcbc dcca dccb dccc dcci dcdb dche dcia dcii dddd ddie deac dead deae deba debe debi dec- deca decc decd dece deci deda dedd dede dedi deeb deed deha dehi deid deie deih dhaa dhad dhai dhec dhed dhee dia- diab diac diad diba dibb dibe dica dice dich dici dida dide didi diea dieb died diii eaba eabh eaca eacc each eada eadb eadd eadi eaec ebac ebba ebbc ebcc ebed ebic ebid ecaa ecac ecad ecai ecbc ecbe ecca eccb eccc ecce ecci ecdc eced echa eche ecib edac edad edah edca edda eddc edde eddi ede- edea edeh edei edhi edia edie eeca eede eeea eeee ehaa ehcc ehdd ehea eheh eica eich eid- eide eidi eiec eied eiei eiha h-ii haab haad haba habe habi hace hada hade hadh hadi haec haed haha haid haie hbcd hbic hcbc hcca hccb hccc hcch hchi hdca hdci hdda head heah hebb hebe hebi heca hech heda hedd hede hedi heeb heed hehe heia heic heid heie heih hhaa hhhh hi-c hiaa hiab hiba hibi hicc hice hich hida hide hidi hied hiei hihc hihe hihi hiie i-be iaaa iaac iaai iaba iaca iacc iadb iadc iaea iaec iahc iaia ibac ibad ibca ibea ibec ibed ibeh ibia ibid ibie icaa icab icac icad icai icbc icbd icca iccb iccc icci icdc icdd icde icea icec iced icee ichc ichd iche ichi idad idae idah idbe idca idce idda idea idec ided idee idha idia idic idid idie ieac iecc ieie ihab ihad ihba ihcc ihed iiac iica iicd iida iide iied iiie iiii