-ana aaaa aaac aaaf aaan aaar aaca aacc aacf aacn aaco aacr aact aafa aafc aaff aana aang aaon aaoo aara aarc aaro aart aata aatc aatf aatt ac-t acaa acac acag acan acar acat acca accc accf acco acct acfc acft acga acgr acoa acog acon acor acot acr- acra acrc acro acrr acta actc actf actg acto actt afaa afan afao afar afat afca afcc affa affc affo afft afgf afoa afog afoo afor afr- afra afrc afro afta aftc aftn ag-o agac agag agan agao agar agat agca agcc agco agct agfa agga agna agno agog agon agoo agot agra agro agta agtr ana- anaa anac anag anan anao anar anat anca ancc anco anct anfa anfo ang- anga ango anna anno annt ano- anoa anon anor anrc ant- anta anto antr antt aoca aono aont aora aorn aort aotc aotf arac araf arag aran arar arat arc- arca arco arct arfa arfc arff arft arga argo arna arng arno arnt aroa aron aroo aror arr- arra arrc arrg arro arrr arrt arta artc arto artr at-t ataa atac atan atar atat atca atcc atcf atco atcr atfc atgo atna atno atoc atof aton ator atot atra atrc atrn atro atta attn atto attr caaa caac caaf caan caat cac- caca cacc caco cacr cafa cafc caff caga cagg cagn cago cagr cana canc cang cann cano cant caor cara carc carf carn caro carr cart cat- cata catc catf cato catt ccaa ccac ccaf ccag ccar ccat ccca cccc cccf ccfa ccfc ccff ccga ccgc ccgt ccna ccnc ccnf ccnr ccoc ccra ccrc ccrf ccrg ccrt cctc cctt cfaa cfac cfao cfar cfca cfcf cfcn cfco cffr cfgn cfgo cfnr cfoa cfor cfra cfrg cfrn cfrt cfta cftc cftr cgac cgcc cgcg cgfc cgro cnaa cnac cnag cnco cnfa cnna cnrc cnrr cnrt cnta cntc cntf cntr coag coan coat coca coco coct cofc coff coft cogo con- cona conc conf cong conn cono cont coof coon coot cor- cora corc corf corg corn coro corr cort cota cotc cotn coto cott crac craf crag cran crar crat crca crcc crcr crfc crna croc cron croo cror crot crrt crtc crtf ctag ctan ctca ctcf ctfc ctfo ctgf ctor ctot ctrc ctrn ctta cttn faaa faac faan faca facc fact fafa fafc faff fafg fafo fagg fago fana fanc fang fano fant faon fara farc farg faro farr fart fata fatc fatf fato fatt fcar fcat fcca fccf fcot fcra fcto ffar ffcc ffff ffrr fftf fnac fnar fnta foaf foan foar foca foco fofo fogg fogn fogo fong fono font foof foon foot for- fora forg forn foro forr fort fota foto fott frac frag fran frat frcc frcn frfc frog fron frot frta ft-c ftan ftfc gaar gafa gafc gaff gaft gaga gagg gago gana ganc gang gann gano gant gaon gara garf garg garn garo garr gart gata gatc gato gatr gatt gc-c gcaa gcat gccc gccf gcfc gcna gcoa gcrg gctc gfcf gffa gfoa gfor ggfg gggg ggrn gnaa gnac gnar gnat gncc gngc gnof gnoo gnrc gnrr goaf goan goar goat goca gocr goff gofr goga gogo gon- gona gong gonn gono goof goog goon goor goot gora gorf gorg gorn goro gorr gort gota goto gott grac graf gran grat grcc grfa groc grof grog gron groo gror grot grrr grtc gtaa gtco gtcr gtfc gtfo gtta naaa naac naag naan naar naat naca nacc nacf naco nafa nafc naff nafo naga nagc nago nan- nana nang nann nano nant naoc naor naot nara narc narf narg narn naro narr nart nata natc nato natt ncaa ncac ncar ncat ncca nccc nccf nccn nccr ncct ncfc ncga ncgr ncna ncnc ncoa ncoc ncor ncra ncrc ncta nctc nctr nfaa nfat nfct nfff nfon nfra nfta nftc nfto ngac ngan ngao ngon ngor ngtn nngn nnnn nnot nntn noaa noac noat noco noct noga nogg nogo nogt non- nona nong nonn nono nont noo- noon nooo noor noot nor- nora norc norf norg norn noro norr nort not- nota noto nott nrca nrfc nrna nroc nron nrrc nrta ntcc ntfc ntof ntrc ntto nttr oafc oafo oara ocac ocan ocat occa occc occn occt ocfa ocga ocna ocon ocra ocro ocrr oct- octa octo ofan ofcr off- offa offc offo offr ofgo ofna ofno ofor ofra ofta ogar ogfr ogna ogoa ogog ogon ogra ogro onan onar onat onc- onca oncf onco onct onga ongo onna onno onon onor onra ont- ontc onto ooaa oocr ooff oona oont oooo oora oort orac oran orao orar orat orca orco orff orga orgn orgo orna ornc orno oro- orof oron oror orot orra orro orta ortc orto otac otan otar otfc oto- otof otog oton otoo otor otra otro otta otto raaf raag raan raat rac- raca racc raco ract rafa rafc raff raft raga ragg rago rana ranc rang rann rano rant raoc rara rarf raro rata ratf rato ratt rcac rcaf rccc rcfc rcga rcgc rcnr rcon rcrg rctc rctg rffc rftc rgan rgtr rnaf rnag rnco rnnt rnot roaf roag roan roar roat roca rocc roco rofc roff rofo roga rogg rogo rona ronc rong rono ront roof roog roon roor root rora rorc roro rort rota rotc rotg rotn roto rotr rott rrat rrfc rrna rrrr rtan rtca rtcc rtcg rtfc taa- taaf taag taan taar taat taca tacc taco tact tafa tafc taff tafo taft taga tagg tago tana tang tann tano tant taoa taor tara tarc tarf targ tarn taro tarr tart tata tato tatr tatt tcca tccc tcfc tcfg tcga tcnn tcon tctc tfca tfot tftc tgcc tgfa tgtc tnag tnca tncc tnfc toan toat toca toco tofa toff tofo toft toga togo togr togt tona tong tonn tono tooa toof toon toor toot tora torc torf torg torn toro torr tort tota totc toto totr tott traa trac traf trag tran trao trat trca trcc trfc trfr trna trng trno troa troc trog tron troo