-vac aaaa aaac aaae aaaf aaar aaav aaca aacc aace aacf aaco aacr aact aacv aaea aaec aaev aafa aafc aaff aaoe aaoo aara aarc aare aaro aart aata aatc aatf aatt aava ac-t acaa acac acae acar acat acca accc acce accf acco acct ace- acea acec acer acet acev acfc acfe acft acoa acoe acor acot acr- acra acrc acre acro acrr acrv acta actc acte actf acto actt actv acvv aeac aeaf aect aeer aer- aera aerc aero aeta aetc aetf aeto aetr aett aeva afaa afao afar afat afca afcc afee afer afet affa affc affo afft afoa afoe afoo afor afr- afra afrc afre afro afta aftc afte aoca aoce aora aort aotc aotf arac arae araf arar arat arc- arca arce arco arct area arec aree aref areo aret arev arfa arfc arff arft aroa aroe aroo aror arr- arra arrc arre arro arrr arrt arta artc arte arto artr artv arva arve arvo 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 atta atte atto attr avao avar avat avcc avce avco avea avec aveo aver avor avot avra avre avro avva avvo caaa caac caaf caat cac- caca cacc cace caco cacr caec caer cafa cafc cafe caff caor cara carc care carf caro carr cart cat- cata catc cate catf cato catt catv cava cave cavo ccaa ccac ccaf ccar ccat ccca cccc cccf cccv ccee ccfa ccfc ccff ccoc ccra ccrc ccre ccrf ccrt cctc cctt cctv ccvo ceac cear ceat cec- ceca cece ceco cect ceec cef- cefa cefc ceor cer- cera cerc cere cerf cero cert cet- ceta cete ceto cetv ceva cevo cfaa cfac cfae cfao cfar cfav cfca cfcf cfco cffr cfoa cfor cfra cfre cfrt cfta cftc cfte cftr coat coca coce coco coct cofc cofe coff coft coof coot cor- cora corc core corf coro corr cort cota cotc cote coto cott cova cove covo crac craf crar crat crca crcc crce crcr cre- crea crec cree creo cret crfc croc croe croo cror crot crrt crtc crtf crtv ctae ctca ctcf ctec ctfc ctfo ctor ctot ctrc ctta ctvo ctvt cvac cvar cvca cvcc cver cvet cvfr cvra cvrr cvte eaaf eaca eacc eaec eara eare earo eart eata eate eave ecaa ecac ecao ecar ecat ecca eccc ecce ecco ecct ecef ecfa ecfc ecfr eco- ecot ecra ecrc ecrf ecrr ecrv ect- ecta ectc ectf ecto ectv eeca eeea eeee eefa eefe eeoc eera eerc eero eeta eetc eete eeva efca efco efeo efet effa efor eft- efta eora eore eota eotc eoto eraf erat erca ercc erce erec erer eret erev erfc erft eroc eroe eroo erra errc erre erro erta erve etat etcc etco etec etee eter etfa etfc etfe etoe etra etre etro etta ette etto etvo evac evae evar evat evea ever evet evoe evoo evra evre faaa faac faca facc face fact fafa fafc fafe faff fafo fara farc fare faro farr fart fata fatc fate fatf fato fatt fava favc fave 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 ferv feta fete fetr fett fetv feve fevr 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 fove fr-v frac frae frat frcc frea free freo fret frfc froe frot frta frvt ft-c ftea fter ftfc o-eo oaer oafc oafo oara oare oate ocac ocat occa occc occt oce ocee ocef ocet ocfa ocra ocre ocro ocrr oct- octa octe octo oec- oeca oecc oeec oera oere oeta ofcr ofer off- offa offc offe offo offr ofor ofra ofre ofta ooaa oocr ooer ooff oooo oora oore oort orac orae orao orar orat orav orca orce orco ore- orea orec oreo orer orfe orff oro- oroe orof oror orot orra orro orta ortc orte orto orve orvr otac otar otea otee oter otfc oto- otoe otof otoo otor otov otra otre otro otta otte otto ovar ovee over ovet ovo- ovoo ovot ovra ovre raaf raat rac- raca racc race raco ract racv raec raef raer rafa rafc rafe raff raft raoc rara rare rarf raro rata rate ratf rato ratt rava rave rcac rcaf rccc rcet rcfc rctc rctv rcvr rea- reac reae reaf reao rear reat reca recc rece recr rect reef reet reev refe reff refr reft reof reot rera rere rero rert reta rete reto retr rett reva reve revo rfae rfef rffc rftc roaf roar roat roca rocc roce roco roea roer roet roev rofc rofe roff rofo roof roor root rora rorc rore roro rort rota rotc rote roto rotr rott rova rove rovo rrat rrfc rrrr rtca rtcc rtce rtee rtfc rtva rtve rv-c rvca rver taa- taaf taar taat taca tacc tace taco tact tacv taec taer tafa tafc tafe taff tafo taft taoa taor tara tarc tare tarf taro tarr tart tata tate tato tatr tatt tatv tava tave tavo tcca tccc tcfc tcov tctc teac tear teat teca teco tecr tect teec teef teer teet teev tefc teff teft teor ter- tera terc tere terf tero terr teta tete teto tetr tett teva tfae tfca tfec tfot tftc toat toca toce toco toea toee toer toet tofa toff tofo toft tooa toof toor toot tora torc tore torf toro torr tort torv tota totc tote toto totr tott tova tove tovo traa trac trae traf trao trat trav trca trcc tre- trea trec tree tref treo tret trev trfc trfr troa troc troe troo trot trra trtc trte trtr tteo tter ttfa ttfc ttff ttoe tttt tvac tver tvro tvrr tvtv vaar vaat vaca vace vaco vafa vara vare varf varr vart vata vate vato vatt vava vcat vear veat vecc veer veet vefa veor