a-be a-ii aaaa aaab aaac aaae aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aacr aact aacu aaea aaec aaib aaic aaii aara aarc aare aari aart aaru aata aatc aatt abaa abab abac abae abai abar abat abau abb- abba abbb abbe abbi abbr abbt abca abcb abcc abci abcr abct abec abee aber abet abia abib abic abie abir abit abiu abra abrc abri abta abtu abua abue abut ac-t acaa acab acac acae acai acar acat acba acca accc acce acci acct accu ace- acea acec acer acet aci- acia acic acie acir acr- acra acrc acre acri acrr acta actc acte acti actt actu acu- acue acur acut aeac aebi aecb aeci aect aeer aeit aer- aera aerc aeri aeta aetc aetr aett aiai aiba aica aicc aice aicr aiea aiee aiet aiia aiib aiic aiir aira aire airi airt aita aite aiti aitr aitt aitu aiui arab arac arae arai arar arat arau arba arbe arbi arc- arca arce arci arct area arec aree arei aret areu aria arib arie arii arit arr- arra arrc arre arri arrr arrt arru arta artc arte arti artr arua arub arue arui arut at-t ataa atab atac atae atai atar atat atca atcc atcr atea atec atee atei ater atia atic atie atit atiu atra atrc atre atri atru atta atte atti attr attu atua atub atuc atur auaa aube auca auce auci auct auer aur- aura aure auri aut- aute ba-i baaa baar baat baba babb babe babi babr babu bac- baca bacc bace baci bact baer baia baib baic baie bair bait bar- bara barb barc bare bari barr bart baru bata batc bate bati batt batu bau- baur bbau bbbb bbci bbeb bbet bbrc bcaa bcar bcat bcbc bcca bccc bcci bcec bcer bcet bcia bcie bcit bcra bcru bctc bcuc bear beat beau beba bebb bebe bebi beca beci becu beeb beer beet beia beic beir beit bera berc bere beri berr bert beru beta betc bete beti bett betu beur biar biat biba bibb bibe bibi bica bicc bice bici bieb bier biet bieu bira birb bire biri birr birt biru bita bitc bite bitt bitu brab brac brae brai brat brau brca brcb brce brea breb brec bree brei brer bret bria bric brie brit brrr brtc bruc brue brut btaa btcc btec btie btrc btrt bttb buar buat buba bubb bube bubi bubu buca bucc buce buci bucu buea buer bueu buic buie buir buit buiu bur- bura burb bure buri burr burt buru but- buta bute buti butt caaa caab caac caat caba cabe cabi cabu cac- caca cacc cace caci cacr caec caei caer caeu caia caib caic cair cait caiu cara carb carc care cari carr cart cat- cata catb catc cate cati catt catu cauc caut cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbcu cbea cbec cbee cber cbet cbia cbir cbit cbre cbrt cbta cbtc ccaa ccab ccac ccai ccar ccat ccba ccbc ccca cccb cccc ccci cccu ccee ccic ccii ccir ccra ccrc ccre ccri ccrt cctb cctc cctt ccuc ccut ceac cear ceat ceba cebu cec- ceca cece ceci cect ceeb ceec cer- cera cerc cere ceri cert cet- ceta cete ceti ceui ciaa ciar ciat ciau ciba cibc cibe cibi cica cicc cici cicr cict cicu ciee cier ciia ciii ciit cira cirb circ cire ciri cirr cirt cita citb cite citi citt citu ciuc crab crac crai crar crat crau crbc crbu crca crcc crce crcr cre- crea creb crec cree crei cret creu cria crib cric crie crit criu crrt crtc crub crue crut ctab ctae ctba ctbi ctca ctec ctia ctic ctrc ctta cuau cub- cuba cubb cube cubi cuca cucc cuce cuci cuer cui- cuir cuit cura curb cure curi curr curt cut- cuta cutc cute cutt eaba eaca eacc eaec eaiu eara earb eare eart eata eate eati ebac ebba ebbc ebbr ebcc eber ebic ebit ebru ebur ecaa ecac ecai ecar ecat ecbc ecbe ecca eccb eccc ecce ecci ecct ecib ecit ecra ecrc ecri ecrr ecru ect- ecta ectc ecua eeca eeea eeee eera eerc eeta eetc eete eetu eica eiec eiei eier eira eire eita eitb eitc eiti eitr erat erau erba erbb erbe erca ercc erce ereb erec erei erer eret eria eric erie erit eriu erra errc erre erta ertu erua erub eruc erur etai etat etbc etbr etcc etec etee eter etic etra etre etta ette etti ettu etua etui euba eubc eubi euer eur- eura eurc eure eurt i-be iaaa iaac iaai iaat iaba iaca iacc iacr iact iacu iaea iaec iaia iara iarc iare iart iaru iata iatc iate iati ibac ibar ibat ibca ibea ibec ibet ibia ibie ibra ibrc ibri ibtb ibtc icaa icab icac icai icar icat icbc icca iccb iccc icci iccr icct iccu icea icec icee icer icet icra icrc icre icrr icrt icru icta icub icue ieac ieat iecc ieet ieie iera iere ieri ieta iett iiac iica iiie iiii iiit iira iirc iita iitr iitt iiuc irac irae irai irar irbe irca ircc ircu iree irer iri- iria iric irie irra irrc irre irri irta irte irti itaa itac itai itar itat itbe itea itec iter itet itia itic itie itra itri itta itur iucc iuce iuiu iura raab raat raba rabb rabe rabi rabu rac- raca racc race raci ract racu raec raer raia raic raie raii rair rait raiu rara rarb rare rari rata rate rati ratt ratu raua raub rauc raue raut rbbb rbbr rcac rcbc rccb rccc rcet rcic rctc rcti rea- reac reae rear reat reau reba rebb rebe rebu reca recc rece reci recr rect recu reeb reet reia reii reir reit reiu rera rere reri rert reru reta rete reti retr rett reue reut reuu riaa riab riai riat riau rib- riba ribe ribu rica ricc rice rict rier riet rieu riia rire riri rita rite riti ritt ritu riue