a-be a-ii aaaa aaab aaac aaad aaae aaai aaba aabb aabc aabd aabi aabt aaca aacb aacc aacd aace aaci aact aacu aada aadc aade aadi aadt aadu aaea aaec aaib aaic aaii aata aatc aatt abaa abab abac abad abae abai abat abau abb- abba abbb abbe abbi abbt abca abcb abcc abcd abci abct abda abdi abdu abec abed abee abet abia abib abic abid abie abit abiu abta abtu abua abud abue abut ac-t acaa acab acac acad acae acai acat acba acca accc accd acce acci acct accu acda acdb acdc acde acdi acdt ace- acea acec aced acet aci- acia acic acid acie acta actc acte acti actt actu acu- acue acut adaa adab adac adad adae adai adat adba adbc adbi adcc adci adda addc addd adde addi addu adea adeb adee adet adia adib adic adie adit adta adua adub adue aeac aebi aecb aeci aect aede aedt aeit aeta aetc aett aiai aiba aica aicc aicd aice aida aidb aidc aide aidi aidt aidu aiea aiee aiet aiia aiib aiic aiid aita aite aiti aitt aitu aiud aiui at-t ataa atab atac atad atae atai atat atca atcc atdi atdt atea atec ated atee atei atia atic atid atie atit atiu atta atte atti attu atua atub atuc auaa aube auca auce auci auct audc aude audi aut- aute ba-i baaa baad baat baba babb babe babi babu bac- baca bacc bace baci bact bada badb badd bade badi badu baed baia baib baic baid baie bait bata batc bate bati batt batu bau- baud bbad bbau bbbb bbci bbdd bbeb bbet bcaa bcat bcbc bcca bccc bcci bcda bcde bcec bcet bcia bcie bcit bctc bcuc bdbc bddc bdii bead beat beau beba bebb bebe bebi beca beci becu beda bede bedi bedu beeb beed beet beia beic beit beta betc bete beti bett betu biad biat biba bibb bibe bibi bica bicc bice bici bida bide bidi bidu bieb bied biet bieu bita bitc bitd bite bitt bitu btaa btcc btdt btec btie bttb buad buat buba bubb bube bubi bubu buca bucc buce buci bucu buda budb budd bude budi budu buea bueu buic buid buie buit buiu but- buta bute buti butt c-cd caaa caab caac caat caba cabe cabi cabu cac- caca cacc cace caci cada cadc cadd cade cadi cadu caec caei caeu caia caib caic caid cait caiu cat- cata catb catc catd cate cati catt catu cauc caut cbac cbat cbbc cbca cbcc cbce cbct cbcu cbdb cbdc cbdi cbea cbec cbee cbet cbia cbid cbit cbta cbtc ccaa ccab ccac ccad ccai ccat ccba ccbc ccca cccb cccc ccci cccu ccdc ccdi cced ccee ccic ccid ccii cctb cctc cctt ccuc ccut cd-e cdaa cdac cdad cdai cdba cdda cddb cdec cdic cdii ceac cead ceat ceba cebu cec- ceca cece ceci cect ceda cedd cede cedi cedt cedu ceeb ceec cet- ceta cete ceti ceui ciaa ciat ciau ciba cibc cibe cibi cica cicc cici cict cicu cida cidc cide cidi cidt ciee ciia ciid ciii ciit cita citb cite citi citt citu ciuc ctab ctae ctba ctbi ctca ctec ctia ctic ctta cuau cub- cuba cubb cube cubi cuca cucc cuce cuci cuda cude cudi cued cui- cuit cut- cuta cutc cute cutt daab daad daae daau daba dabb dabt dabu daca dace daci dact dada dade dadi dadu daeb daeu daia daid daie dait data date dati datt datu daub daud daue daut dbcc dbit dbtt dcbc dcca dccb dccc dcci dcct dccu dcdb dcia dcii dctc dddd ddie ddub deac dead deae deau deba debe debi debt debu dec- deca decc decd dece deci dect deda dedd dede dedi dedu deeb deed deet deid deie deit deta dete deua deue deut dia- diab diac diad diat diba dibb dibe dica dice dici dict dida dide didi didu diea dieb died diet dieu diii dita dite diti ditt dtaa dtac dtcc dted duaa duab duad duat dub- duba dubb dubc dube dubu duca duce duct duda dudd dude dudu duet duid duit duta dute duut eaba eaca eacc eada eadb eadd eadi eaec eaiu eata eate eati ebac ebba ebbc ebcc ebed ebic ebid ebit ecaa ecac ecad ecai ecat ecbc ecbe ecca eccb eccc ecce ecci ecct ecdc eced ecib ecit ect- ecta ectc ecua edac edad edca edda eddc edde eddi ede- edea edei edia edie edit edta educ eeca eede eedu eeea eeee eeta eetc eete eetu eica eid- eide eidi eidu eiec eied eiei eita eitb eitc eiti etai etat etbc etcc etec etee etic etta ette etti ettu etua etui euba eubc eubi eucd eude i-be iaaa iaac iaai iaat iaba iaca iacc iact iacu iadb iadc iadt iaea iaec iaia iata iatc iate iati ibac ibad ibat ibca ibea ibec ibed ibet ibia ibid ibie ibtb ibtc icaa icab icac icad icai icat icbc icbd icca iccb iccc icci icct iccu icdc icdd icde icea icec iced icee icet icta icub icue idad idae idat idbe idca idce idda idea idec ided idee idia idic idid idie idta idub ieac ieat iecc ieet ieie ieta iett ieud iiac iica iicd iida iide iied iiie iiii iiit iita iitt iiuc itaa itac itai itat itbe itea itec itet itia itic itie itta iucc iuce iuiu taa- taat taba tabb tabc tabe tabi tabu taca tacc tace taci tact tada tade taec taia tait tata tatb tate tati tatt tatu taua taub tauc taue taut tbca tbcb tbcc tbcd tbce tbit tbta tcad tcca tccc tccu tcdd tctc tdac tddb teac tead teat teba tebu teca tect teda tedd tede tedi teec teed teet teia teic teie teiu teta tete teti tett tetu teut tiaa tiab tiba tibi tibu tica ticc tice tidc tidd tide tie- tiea tied tiee tiei tiet tiit tiiu tita titc tite titi titt titu ttab ttbb tttt tuae tuat tuba tubb tube tubu tuca tucc tude tudi tudu tuei tuet tuit