a-fu aaaa aaac aaad aaaf aaar aaca aacc aacd aacf aacr aact aacu aada aadc aadt aadu aafa aafc aafd aaff aara aarc aard aart aaru aata aatc aatf aatt ac-t acaa acac acad acar acat acca accc accd accf acct accu acda acdc acdf acdt acfc acfd acft acr- acra acrc acrr acta actc actf actt actu acu- acuf acur acut adaa adac adad adar adat adcc adda addc addd addr addu adfa adfc adra adta adua adur afaa afad afar afat afca afcc afcu afdc affa affc afft afr- afra afrc afru afta aftc afua afud arac arad araf arar arat arau arc- arca arct arda ardc ardf ardu arfa arfc arff arft arfu arr- arra arrc arrr arrt arru arta artc artr arua arud arut at-t ataa atac atad atar atat atca atcc atcf atcr atdt atfc atra atrc atru atta attr attu atua atuc atur auaa auca auct audc aufc aur- aura aurd aut- c-cd caaa caac caaf caat cac- caca cacc cacr cada cadc cadd cadr cadu cafa cafc caff cafu cara carc card carf carr cart cat- cata catc catd catf catt catu cauc cauf caut ccaa ccac ccad ccaf ccar ccat ccca cccc cccf cccu ccdc ccdf ccdr ccfa ccfc ccfd ccff ccra ccrc ccrf ccrt cctc cctt ccuc ccut cd-r cdaa cdac cdad cdda cddr cdfa cfaa cfac cfar cfca cfcf cfda cffr cfra cfrt cfta cftc cftr crac craf crar crat crau crca crcc crcr crda crdc crfc crrt crtc crtf crud crut ctca ctcf ctfc ctrc ctta cuau cuca cucc cuda cufa cufc cuff cura curd curf curr curt cut- cuta cutc cutt daad daar daau daca dact dada dadu dafa dafc daff daft dara darc dard darf darr dart daru data datr datt datu daud daur daut dcca dccc dcct dccu dcfc dcra dctc dddd ddrc dfaf dfcc dfcu dfdt dffa dfrf dftr draa drac drad draf drar drat drau drca drda drfc drra drua drut druu dtaa dtac dtcc dtfc duaa duad duar duat duca duct duda dudd dudu dufc duff dufu dura durt duru duta duur duut faaa faac faad faca facc fact fada fadd fafa fafc faff fara farc fard farr fart faru fata fatc fatf fatt faud faur faut fcar fcat fcca fccf fcda fcra fdca fdtc ffar ffcc ffff ffrr fftf frac frad frat frau frcc frfc frta ft-c ftcd ftfc ftuc fuad fuar fuat fuc- fuca fuct fuda fudd fufc fuff fufu fur- fura furr furt futa futu raad raaf raat rac- raca racc ract racu rada radc radd radr radt radu rafa rafc raff raft rara rarf rata ratf ratt ratu raua rauc raud rauf raut rcac rcaf rccc rcdc rcfc rcrd rctc rdac rdfa rffc rftc rrad rrat rrfc rrrr rtca rtcc rtdt rtfc ruad ruca ruct ruda rudd rufa rufc ruff ruft rura rurc rurd ruru ruta rutt rutu ruud taa- taaf taar taat taca tacc tact tada tafa tafc taff taft tara tarc tard tarf tarr tart taru tata tatr tatt tatu taua tauc taur taut tcad tcca tccc tccu tcdd tcfc tctc tdac tdff tdra tfca tfcu tfdc tftc traa trac trad traf trat trau trca trcc trfc trfd trfr trra trtc trtr truc trud trut truu ttfa ttfc ttff tttt tuar tuat tuca tucc tudu tufa tufc tuff tuft tufu tura turc turd turf turr turt turu tuta tutt tutu uaca uafa uarc uart uaru uata uatu uaua ucad ucar ucat ucca ucdc ucdd ucfa ucrc ucua ucut udaa udad udar udau udca udra ufcu uffa ufra urac urad urat urau urca urda urdu urfa urff urft urra urur urut utac utau uttu uuta uutf uuuu