a-fu a-ii aaaa aaab aaac aaaf aaai aaar aaba aabb aabc aabi aabt aaca aacb aacc aacf aaci aaco aacr aact aacu aafa aafb aafc aaff aafi aaib aaic aaii aaoo aara aarc aari aaro aart aaru aata aatc aatf aatt abaa abab abac abaf abai abar abat abau abb- abba abbb abbi abbo abbr abbt abca abcb abcc abcf abci abcr abct abff abia abib abic abir abit abiu aboa abob abof aboo abor abot abou abra abrc abri abro abta abtu abua abuf abut ac-t acaa acab acac acai acar acat acba acca accc accf acci acco acct accu acfc acfi acft aci- acia acic acif acir acoa acor acot acou acr- acra acrc acri acro acrr acta actc actf acti acto actt actu acu- acuf acuo acur acut afaa afao afar afat afca afcb afcc afci afcu affa affc affi affo afft afia afib afif afir afit afoa afoo afor afr- afra afrc afri afro afru afta aftc afua aiai aiba aibo aica aicc aicf aicr aiff aiia aiib aiic aiir aioc aioi aira airi airo airt aita aitf aiti aitr aitt aitu aiui aoba aoca aora aorb aort aotc aotf aouf aout arab arac araf arai arar arat arau arba arbi arc- arca arci arco arct arfa arfb arfc arff arft arfu aria arib arif arii ario arit aroa arob aroi aroo aror arr- arra arrc arri arro arrr arrt arru arta artc arti arto artr arua arub arui arut at-t ataa atab atac atai atar atat atca atcc atcf atco atcr atfb atfc atia atic atif atit atiu atob atoc atof atoi ator atot atra atrc atri atro atru atta atti atto attr attu atua atub atuc atur auaa auca auci auct aufc aufi aur- aura auri auro aut- auto ba-i baaa baaf baar baat baba babb babi babo babr babu bac- baca bacc baci baco bact bafc baff bafo baft baia baib baic baio bair bait bar- bara barb barc barf bari baro barr bart baru bata batc batf bati bato batt batu bau- bauf baur bbau bbbb bbci bbfc bbrc bcaa bcar bcat bcbc bcca bccc bcci bcfc bcia bcit bcof bcor bcra bcru bctc bcuc bfca bfta bftt biaf biao biar biat biba bibb bibi bibo bica bicc bici bico bifa biff bifi bio- bioc bioi biot biou bira birb biri biro birr birt biru bita bitc bito bitt bitu boab boac boai boar boat boba bobb bobi bobo bobu boca boco bocu bofa boff bofu boi- boii boit boiu boob booc boof boor boot bor- bora borf bori boro borr bort boru bota botb boti boto bott boua bouf bour bout brab brac braf brai brao brat brau brca brcb brfc brfu bria bric brio brit broa brob broc broo bror brot brou brrr brtc bruc brut btaa btaf btcc btfc btob btor btrc btrt bttb buar buat buba bubb bubi bubo bubu buca bucc buci buco bucu bufc buff bufo bufr buic buif buir buit buiu bur- bura burb buri buro burr burt buru but- buta buti buto butt c-bo caaa caab caac caaf caat caba cabf cabi cabo cabu cac- caca cacc caci caco cacr cafa cafb cafc caff cafu caia caib caic caio cair cait caiu caoi caor cara carb carc carf cari caro carr cart cat- cata catb catc catf cati cato catt catu cauc cauf cauo caut cbac cbar cbat cbbc cbca cbcc cbcr cbct cbcu cbfb cbfc cbia cbir cbit cbot cbrt cbta cbtc cbtf ccaa ccab ccac ccaf ccai ccar ccat ccba ccbc ccca cccb cccc cccf ccci cccu ccfa ccfc ccff ccfi ccic ccii ccir ccob ccoc ccra ccrc ccrf ccri ccrt cctb cctc cctt ccuc ccut cfaa cfab cfac cfao cfar cfbc cfbr cfbt cfca cfcb cfcf cfco cffb cffr cfia cfit cfoa cfor cfra cfrb cfrt cfta cftc cftr ciaa ciao ciar ciat ciau ciba cibc cibi cibo cica cicc cici cico cicr cict cicu cifa ciff ciia ciii ciit ciob cior cira cirb circ ciri ciro cirr cirt cita citb citf citi cito citt citu ciuc coai coat coba cobb cobi cobo cobu coca coco coct cocu cofc coff cofi coft coia coif coir coit coob coof coot cor- cora corb corc corf cori coro corr cort cota cotb cotc coti coto cott cotu coua coub cour cout crab crac craf crai crar crat crau crbc crbu crca crcc crcr crfc cria crib cric crif crit criu crob croc croo cror crot crrt crtc crtf crub crut ctab ctba ctbi ctca ctcf ctfc ctfo ctia ctic ctor ctot ctrc ctta cuau cub- cuba cubb cubi cuca cucc cuci cufa cufc cuff cufi cufo cui- cuif cuir cuit cura curb curf curi curo curr curt cut- cuta cutc cuto cutt faaa faac faba fabi fabo fabu faca facc fact fafa fafc faff fafi fafo faio fair fait fara farb farc faro farr fart faru fata fatc fatf fati fato fatt faur faut fbar fcab fcar fcat fcba fcca fccf fcic fcii fcot fcra fcto ffar ffcc ffff ffii ffrr fftf fiaa fiac fiaf fiar fiat fiba fica ficc fico fict fifa fifc fiff fifi fifo fift fiii fior fira fita fitc fiti fitt fiua foaf foar foba fobt foca foci foco fofo foia foof foot for- fora forb fori foro forr fort fota foti foto fott foua four fout frab frac frat frau frbc frcc frfc fria frib fric frio frit frob frot frou frta frub ft-c ftfc ftii ftub ftuc fuar fuat fubb fubu fuc- fuca fuci fuct fufc fuff fufu fuir fuit fuor fur- fura furi furo furr furt futa futi futo futu iaaa iaac iaai iaat iaba iaca iacc iacr iact iacu iafc iaff iaia iara iarc iart iaru iata iatc iati ibac ibar ibat ibca ibfi ibia ibot ibra ibrc ibri ibro ibtb ibtc icaa icab icac icaf icai icao icar icat icbc icca iccb iccc iccf icci icco iccr icct iccu icfb icoc icor icra icrc icrf icrr icrt icru icta icub ifaa ifac ifao ifar