a-be a-fu a-ii aaaa aaab aaac aaae aaaf aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aace aacf aaci aacr aact aacu aaea aaec aafa aafb aafc aaff aafi aaib aaic aaii aara aarc aare aari aart aaru aata aatc aatf aatt abaa abab abac abae abaf abai abar abat abau abb- abba abbb abbe abbi abbr abbt abca abcb abcc abcf abci abcr abct abec abee aber abet abff abia abib abic abie abir abit abiu abra abrc abri abta abtu abua abue abuf abut ac-t acaa acab acac acae acai acar acat acba acca accc acce accf acci acct accu ace- acea acec acer acet acfc acfe acfi acft aci- acia acic acie acif acir acr- acra acrc acre acri acrr acta actc acte actf acti actt actu acu- acue acuf acur acut aeac aeaf aebi aecb aeci aect aeer aeit aer- aera aerc aeri aeta aetc aetf aetr aett afaa afar afat afca afcb afcc afci afcu afee afer afet affa affc affi afft afia afib afif afir afit afr- afra afrc afre afri afru afta aftc afte afua afue aiai aiba aica aicc aice aicf aicr aiea aiee aiet aiff aiia aiib aiic aiir aira aire airi airt aita aite aitf aiti aitr aitt aitu aiui arab arac arae araf arai arar arat arau arba arbe arbi arc- arca arce arci arct area arec aree aref arei aret areu arfa arfb arfc arff arft arfu aria arib arie arif 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 atcf atcr atea atec atee atef atei ater atfb atfc atfe atia atic atie atif atit atiu atra atrc atre atri atru atta atte atti attr attu atua atub atuc atur auaa aube auca auce auci auct auer aufc aufe aufi aur- aura aure auri aut- aute ba-i baaa baaf baar baat baba babb babe babi babr babu bac- baca bacc bace baci bact baer bafc baff baft baia baib baic baie bair bait bar- bara barb barc bare barf bari barr bart baru bata batc bate batf bati batt batu bau- bauf baur bbau bbbb bbci bbeb bbet bbfc bbrc bcaa bcar bcat bcbc bcca bccc bcci bcec bcer bcet bcfc bcia bcie bcit bcra bcru bctc bcuc beaf bear beat beau beba bebb bebe bebi beca beci becu beeb beef beer beet befa befe beff beft beia beic beir beit bera berc bere beri berr bert beru beta betc bete beti bett betu beur bfca bfta bftt biaf biar biat biba bibb bibe bibi bica bicc bice bici bieb bief bier biet bieu bifa biff bifi bira birb bire biri birr birt biru bita bitc bite bitt bitu brab brac brae braf brai brat brau brca brcb brce brea breb brec bree bref brei brer bret brfc brfu bria bric brie brit brrr brtc bruc brue brut btaa btaf btcc btec btfc btie btrc btrt bttb buar buat buba bubb bube bubi bubu buca bucc buce buci bucu buea buer bueu bufc bufe buff bufr buic buie buif buir buit buiu bur- bura burb bure buri burr burt buru but- buta bute buti butt caaa caab caac caaf caat caba cabe cabf cabi cabu cac- caca cacc cace caci cacr caec caei caer caeu cafa cafb cafc cafe caff cafu caia caib caic cair cait caiu cara carb carc care carf cari carr cart cat- cata catb catc cate catf cati catt catu cauc cauf caut cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbcu cbea cbec cbee cbef cber cbet cbfb cbfc cbia cbir cbit cbre cbrt cbta cbtc cbtf ccaa ccab ccac ccaf ccai ccar ccat ccba ccbc ccca cccb cccc cccf ccci cccu ccee ccfa ccfc ccff ccfi ccic ccii ccir ccra ccrc ccre ccrf ccri ccrt cctb cctc cctt ccuc ccut ceac cear ceat ceba cebu cec- ceca cece ceci cect ceeb ceec cef- cefa cefc cer- cera cerc cere cerf ceri cert cet- ceta cete ceti ceui cfaa cfab cfac cfae cfar cfbc cfbr cfbt cfca cfcb cfcf cffb cffr cfia cfit cfra cfrb cfre cfrt cfta cftc cfte cftr ciaa ciar ciat ciau ciba cibc cibe cibi cica cicc cici cicr cict cicu ciee cier cifa cife ciff ciia ciii ciit cira cirb circ cire ciri cirr cirt cita citb cite citf citi citt citu ciuc crab crac craf crai crar crat crau crbc crbu crca crcc crce crcr cre- crea creb crec cree crei cret creu crfc cria crib cric crie crif crit criu crrt crtc crtf crub crue crut ctab ctae ctba ctbi ctca ctcf ctec ctfc ctia ctic ctrc ctta cuau cub- cuba cubb cube cubi cuca cucc cuce cuci cuer cufa cufc cuff cufi cui- cuif cuir cuit cura curb cure curf curi curr curt cut- cuta cutc cute cutt eaaf eaba eaca eacc eaec eafb eaif eaiu eara earb eare eart eata eate eati ebac ebba ebbc ebbr ebcc eber ebfc ebic ebit ebru ebur ecaa ecac ecai ecar ecat ecbc ecbe ecca eccb eccc ecce ecci ecct ecef ecfa ecfc ecfr ecib ecit ecra ecrc ecrf ecri ecrr ecru ect- ecta ectc ectf ecua eeca eeea eeee eefa eefe eera eerc eeta eetc eete eetu efab efbr efca efet effa effi efic efit eft- efta eftu efua eica eiec eiei eier eira eire eita eitb eitc eiti eitr eraf erat erau erba erbb erbe erca ercc erce ereb erec erei erer eret erfc erft eria eric erie erit eriu erra errc erre erta ertu erua erub eruc erur etai etat etbc etbr etcc etec etee eter etfa etfb etfc etfe etic etra etre etta ette etti ettu etua etui euba eubc eubi euer eufc eufi eur- eura eurc eure eurt faaa faac faba fabe fabi fabu faca facc face fact faeb fafa fafc fafe faff fafi faie fair fait fara farb farc fare farr fart faru fata fatc fate fatf