a-fu aaaa aaac aaae aaaf aaar aaca aacc aace aacf aaco aacr aact aacu aaea aaec aafa aafc aaff aaoe aaoo aara aarc aare aaro aart aaru aata aatc aatf aatt ac-t acaa acac acae acar acat acca accc acce accf acco acct accu ace- acea acec acer acet acfc acfe acft acoa acoe acor acot acou acr- acra acrc acre acro acrr acta actc acte actf acto actt actu acu- acue acuf acuo acur acut aeac aeaf aect aeer aer- aera aerc aero aeta aetc aetf aeto aetr aett afaa afao afar afat afca afcc afcu afee afer afet affa affc affo afft afoa afoe afoo afor afr- afra afrc afre afro afru afta aftc afte afua afue aoca aoce aoeu aora aort aotc aotf aouf aout arac arae araf arar arat arau arc- arca arce arco arct area arec aree aref areo aret areu arfa arfc arff arft arfu aroa aroe aroo aror arr- arra arrc arre arro arrr arrt arru arta artc arte arto artr arua arue arut at-t ataa atac atae atar atat atca atcc atcf atco atcr atea atec atee atef ateo ater atfc atfe atoc atoe atof ator atot atra atrc atre atro atru atta atte atto attr attu atua atuc atur auaa auca auce auct auer aufc aufe aur- aura aure auro aut- aute auto caaa caac caaf caat cac- caca cacc cace caco cacr caec caer caeu cafa cafc cafe caff cafu caor cara carc care carf caro carr cart cat- cata catc cate catf cato catt catu cauc cauf cauo caut ccaa ccac ccaf ccar ccat ccca cccc cccf cccu ccee ccfa ccfc ccff ccoc ccra ccrc ccre ccrf ccrt cctc cctt ccuc ccut ceac cear ceat cec- ceca cece ceco cect ceec cef- cefa cefc ceor ceou cer- cera cerc cere cerf cero cert cet- ceta cete ceto cfaa cfac cfae cfao cfar cfca cfcf cfco cffr cfoa cfor cfra cfre cfrt cfta cftc cfte cftr coat coca coce coco coct cocu cofc cofe coff coft coof coot cor- cora corc core corf coro corr cort cota cotc cote coto cott cotu coua coue cour cout crac craf crar crat crau crca crcc crce crcr cre- crea crec cree creo cret creu crfc croc croe croo cror crot crrt crtc crtf crue crut ctae ctca ctcf ctec ctfc ctfo ctor ctot ctrc ctta cuau cuca cucc cuce cuer cufa cufc cuff cufo cura cure curf curo curr curt cut- cuta cutc cute cuto cutt eaaf eaca eacc eaec eara eare earo eart eata eate ecaa ecac ecao ecar ecat ecca eccc ecce ecco ecct ecef ecfa ecfc ecfr eco- ecot ecou ecra ecrc ecrf ecrr ecru ect- ecta ectc ectf ecto ecua eeca eeea eeee eefa eefe eeoc eera eerc eero eeta eetc eete eetu efca efco efeo efet effa efor eft- efta eftu efua eora eore eota eotc eoto eraf erat erau erca ercc erce erec erer eret erfc erft eroc eroe eroo erra errc erre erro erta ertu erua eruc erur etat etcc etco etec etee eter etfa etfc etfe etoe etra etre etro etta ette etto ettu etua euer eufc eur- eura eurc eure euro eurt faaa faac faca facc face fact fafa fafc fafe faff fafo fara farc fare faro farr fart faru fata fatc fate fatf fato fatt faue faur faut fcar fcat fcca fccf fcot fcra fcto feaf fear feat fece fect feer feet fefc fefe feff fefo feof fera ferc fere fero ferr fert feru feta fete fetr fett fetu ffar ffcc ffee ffff ffrr fftf foaf foar foca foce foco foer fofo foof foot for- fora fore foro forr fort fota fote foto fott foua four fout frac frae frat frau frcc frea free freo fret frfc froe frot frou frta frue ft-c ftea fter ftfc ftuc fuar fuat fuc- fuca fuct fuet fufc fuff fufu fuor fur- fura fure furo furr furt futa fute futo futu o-eo oaau oaer oafc oafo oara oare oate ocac ocat occa occc occt oce ocee ocef ocet ocfa ocra ocre ocro ocrr oct- octa octe octo ocur oec- oeca oecc oeec oera oere oeta oeuf ofcr ofer off- offa offc offe offo offr offu ofor ofra ofre ofta ooaa oocr ooer ooff oooo oora oore oort orac orae orao orar orat orca orce orco ore- orea orec oreo orer orfe orff orfu oro- oroe orof oror orot orra orro orta ortc orte orto otac otar otea otee oter otfc oto- otoe otof otoo otor otra otre otro otta otte otto ottu otur ouac ouat oucc ouea ouer oufc oufe ouff our- oura oure ouro ourt out- outa oute outo ouu- raaf raat rac- raca racc race raco ract racu raec raef raer rafa rafc rafe raff raft raoc rara rare rarf raro rata rate ratf rato ratt ratu raua rauc raue rauf raut rcac rcaf rccc rcet rcfc rctc rea- reac reae reaf reao rear reat reau reca recc rece recr rect recu reef reet refe reff refr reft refu reof reot reou rera rere rero rert reru reta rete reto retr rett reue reuf reut reuu rfae rfef rffc rftc roaf roar roat roca rocc roce roco roea roer roet rofc rofe roff rofo roof roor root rora rorc rore roro rort roru rota rotc rote roto rotr rott roua roue rouf rout rrat rrfc rrrr rtca rtcc rtce rtee rtfc ruca ruce ruct ruer ruet rufa rufc rufe ruff rufo ruft rura rurc rure ruro ruru ruta rute ruto rutt rutu taa- taaf taar taat taca tacc tace taco tact taec taer tafa tafc tafe taff tafo taft taoa taor taou tara tarc tare tarf taro tarr tart taru tata tate tato tatr tatt tatu taua tauc taue taur taut tcca tccc tccu tcfc tctc teac tear teat teca teco tecr tect teec teef teer teet tefc teff teft teor ter- tera terc tere terf tero terr teru teta tete teto tetr tett tetu teut tfae tfca tfcu tfec tfot tftc toat toau