a-ak a-be a-ii aaaa aaab aaac aaad aaae aaai aaam aaba aabb aabc aabd aabi aabm aaca aacb aacc aacd aace aaci aack aacm aada aadc aade aadi aaea aaec aaem aaib aaic aaii aaka aake aama aamb aamc aamd aame aami abaa abab abac abad abae abai abak abam abb- abba abbb abbe abbi abca abcb abcc abcd abci abda abdi abec abed abee abia abib abic abid abie abim abma abmb abmc acaa acab acac acad acae acai acba acca accc accd acce acci accm acda acdb acdc acde acdi acdm ace- acea acec aced acek acem aci- acia acic acid acie acim ackd acke acma acmc acme acmi adaa adab adac adad adae adai adak adam adba adbc adbi adcc adci adda addc addd adde addi adea adeb adee adem adia adib adic adie adik adim adki adma admb adme admi aeac aebi aecb aeci aede aeka aiai aiba aica aicc aicd aice aida aidb aidc aide aidi aiea aiee aiia aiib aiic aiid aika aike aiki aimc aime aimi aimm akaa akae akai akam akca aked akee akia akid akie akik akim akka akki amaa amac amad amae amai amam amb- amba ambe ambi amca amcc amda amec amed amee amei amia amib amic amid amie amii amik amka amm- amma amme ammi ba-i baaa baad baak baam baba babb babe babi babm bac- baca bacc bace baci back bada badb badd bade badi baed baek baia baib baic baid baie baik bak- baka bake baki bama bamb bamc bame bami bamm bbad bbbb bbci bbcm bbdd bbeb bcaa bcam bcbc bcca bccc bcci bccm bcda bcde bcec bcia bcie bcma bdbc bddc bdii bdmi bead beak beam beba bebb bebe bebi beca beci beck beda bede bedi beeb beed beek beem beia beic beik beim beka beke beki bema beme biad biak biba bibb bibe bibi bica bicc bice bici bick bida bide bidi bieb bied bike bima bmaa bmce bmci bmdb bmic bmmi c-cd caaa caab caac caam caba cabe cabi cac- caca cacc cace caci cack cacm cada cadc cadd cade cadi cadm caec caei caem caia caib caic caid caik caim caka cake cama camb camc came cami camk camm cbac cbbc cbca cbcc cbce cbcm cbdb cbdc cbdi cbea cbec cbee cbia cbid cbka cbkm cbme ccaa ccab ccac ccad ccai ccam ccba ccbc ccca cccb cccc ccci cccm ccdc ccdi ccdm cced ccee ccic ccid ccii ccim cckm ccma ccmb ccmc ccmd ccmm cd-e cdaa cdac cdad cdai cdba cdda cddb cdec cdic cdii cdma ceac cead ceba cec- ceca cece ceci cecm ceda cedd cede cedi ceeb ceec ceem ceim ceke cema cemb ceme cemm ciaa ciak ciam ciba cibc cibe cibi cica cicc cici cida cidc cide cidi ciee ciia ciid ciii cika cima cimb cimd cime cimi cimm ckac ckbc ckbe ckbi ckck ckcm ckdm ckem cmaa cmac cmba cmbc cmcc cmda cmdb cmea cmec cmii cmmb cmmc cmmi daab daad daae daam daba dabb daca dace daci dada dade dadi daeb daem daia daid daie daik daim daka dake daki dama damb dame dami damm dbcc dcbc dcca dccb dccc dcci dcdb dcia dcii dcim dcma dcmi dddd ddie deac dead deae deak deba debe debi dec- deca decc decd dece deci deck deda dedd dede dedi deeb deed deek deem deid deie deim dek- deka deke dem- dema demb demd deme demi dia- diab diac diad diak diam diba dibb dibe dica dice dici dick dida dide didi diea dieb died diem diii dika dike diki dima dime dimi dimm dkba dkdc dkid dkim dmaa dmab dmac dmae dmba dmcc dmcm dmdc dmea eaba eaca eacc eada eadb eadd eadi eaec eama eame ebac ebam ebba ebbc ebcc ebed ebic ebid ecaa ecac ecad ecai ecam ecbc ecbe ecca eccb eccc ecce ecci eccm ecdc eced ecem ecib ecim ecka ecma ecmi edac edad edam edca edda eddc edde eddi eddm ede- edea edei edem edia edie edik edma edme eeca eede eeea eeee eeka eeke eica eick eid- eide eidi eiec eied eiei eika eike eiki eime eimi eka- ekab ekam ekeb eked ekek ekka ekki ekma emac emad emae emam emba embd embe embi emcc emek emia emic emid emii emim emma emme emmi i-be iaaa iaac iaai iaba iabm iaca iacc iadb iadc iaea iaec iaia iaim iama iamb iame iami ibac ibad ibbm ibca ibea ibec ibed ibia ibid ibie ibim ibma icaa icab icac icad icai icam icbc icbd icbm icca iccb iccc icci icdc icdd icde icea icec iced icee icem icke icma icmc icme icmi icmm idad idae idam idbe idbm idca idce idda iddm idea idec ided idee idem idia idic idid idie ieac iecc iedm ieie iema ieme iiac iica iicd iida iide iied iiie iiii iimc ikea ikee ikid ikki ikma imac imad imai imam imba imbe imbi imca imcb imci imck imdb imdi imea imec imed imid imma imme immi k-ci k-id kaaa kaab kaai kaak kaam kaba kabb kabc kabd kabe kabi kacb kacc kacd kace kaci kad- kada kadd kade kadi kadm kaei kaia kaib kaic kaid kaie kaii kaik kaim kaka kakc kake kaki kakk kakm kam- kama kamb kamc kame kami kamm kbaa kbab kbac kbad kbae kbai kbak kbam kbba kbbb kbbc kbbd kbbe kbbi kbbk kbbm kbca kbcb kbce kbci kbck kbdb kbde kbdi kbeb kbec kbed kbee kbek kbia kbib kbic kbid kbie kbik kbim kbkb kbkk kbmb kbmc kbme kbmi kcaa kcab kcac kcad kcai kcam kcba kcbc kcbd kcbi kcbk kcca kccb kccc kccd kcci kcck kcda kcdc kcdd kcdi kcea kceb kcec kced kcee kcei kcic kcid kcie kcii kcim kckc kckk kckm kcmb kcmc kcmd kcme kcmi kcmk kcmm kdaa kdab kdac kdad kdae kdai kdak kdam kdbb kdbi kdbm kdca kdcc kdcd kdce kddb kddc kddd kddi kddk kdeb kdec kdei kdem kdia kdic kdim kdka kdkb kdkd kdkk kdma kdmc kdmd kdmi kea- kead keak keam keba kebb kebc kebe kebi