-ana aaaa aaac aaaf aaan aaar aaca aacc aacf aacn aaco aacr aact aafa aafc aaff aana aaon aaoo aara aarc aaro aart aata aatc aatf aatt ac-t acaa acac acan acar acat acca accc accf acco acct acfc acft acoa acon acor acot acr- acra acrc acro acrr acta actc actf acto actt afaa afan afao afar afat afca afcc affa affc affo afft afoa afoo afor afr- afra afrc afro afta aftc aftn ana- anaa anac anan anao anar anat anca ancc anco anct anfa anfo anna anno annt ano- anoa anon anor anrc ant- anta anto antr antt aoca aono aont aora aorn aort aotc aotf arac araf aran arar arat arc- arca arco arct arfa arfc arff arft arna arno arnt aroa aron aroo aror arr- arra arrc arro arrr arrt arta artc arto artr at-t ataa atac atan atar atat atca atcc atcf atco atcr atfc 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 cana canc cann cano cant caor cara carc carf carn caro carr cart cat- cata catc catf cato catt ccaa ccac ccaf ccar ccat ccca cccc cccf ccfa ccfc ccff ccna ccnc ccnf ccnr ccoc ccra ccrc ccrf ccrt cctc cctt cfaa cfac cfao cfar cfca cfcf cfcn cfco cffr cfnr cfoa cfor cfra cfrn cfrt cfta cftc cftr cnaa cnac cnco cnfa cnna cnrc cnrr cnrt cnta cntc cntf cntr coan coat coca coco coct cofc coff coft con- cona conc conf conn cono cont coof coon coot cor- cora corc corf corn coro corr cort cota cotc cotn coto cott crac craf cran crar crat crca crcc crcr crfc crna croc cron croo cror crot crrt crtc crtf ctan ctca ctcf ctfc ctfo ctor ctot ctrc ctrn ctta cttn faaa faac faan faca facc fact fafa fafc faff fafo fana fanc fano fant faon fara farc 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 fono font foof foon foot for- fora forn foro forr fort fota foto fott frac fran frat frcc frcn frfc fron frot frta ft-c ftan ftfc naaa naac naan naar naat naca nacc nacf naco nafa nafc naff nafo nan- nana nann nano nant naoc naor naot nara narc narf narn naro narr nart nata natc nato natt ncaa ncac ncar ncat ncca nccc nccf nccn nccr ncct ncfc ncna ncnc ncoa ncoc ncor ncra ncrc ncta nctc nctr nfaa nfat nfct nfff nfon nfra nfta nftc nfto nnnn nnot nntn noaa noac noat noco noct non- nona nonn nono nont noo- noon nooo noor noot nor- nora norc norf 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 ocna ocon ocra ocro ocrr oct- octa octo ofan ofcr off- offa offc offo offr ofna ofno ofor ofra ofta onan onar onat onc- onca oncf onco onct onna onno onon onor onra ont- ontc onto ooaa oocr ooff oona oont oooo oora oort orac oran orao orar orat orca orco orff orna ornc orno oro- orof oron oror orot orra orro orta ortc orto otac otan otar otfc oto- otof oton otoo otor otra otro otta otto raaf raan raat rac- raca racc raco ract rafa rafc raff raft rana ranc rann rano rant raoc rara rarf raro rata ratf rato ratt rcac rcaf rccc rcfc rcnr rcon rctc rffc rftc rnaf rnco rnnt rnot roaf roan roar roat roca rocc roco rofc roff rofo rona ronc rono ront roof roon roor root rora rorc roro rort rota rotc rotn roto rotr rott rrat rrfc rrna rrrr rtan rtca rtcc rtfc taa- taaf taan taar taat taca tacc taco tact tafa tafc taff tafo taft tana tann tano tant taoa taor tara tarc tarf tarn taro tarr tart tata tato tatr tatt tcca tccc tcfc tcnn tcon tctc tfca tfot tftc tnca tncc tnfc toan toat toca toco tofa toff tofo toft tona tonn tono tooa toof toon toor toot tora torc torf torn toro torr tort tota totc toto totr tott traa trac traf tran trao trat trca trcc trfc trfr trna trno troa troc tron troo trot trra trtc trtr ttcn ttfa ttfc ttff ttfn tton tttt