a-fu aaaa aaac aaaf aaar aaas aaca aacc aacf aacr aacs aact aacu aafa aafc aaff aara aarc aars aart aaru aasa aasc aasf aass aast aasu aata aatc aatf aatt aaus ac-t acaa acac acar acas acat acca accc accf accs acct accu acfc acfs acft acr- acra acrc acrr acrs acsa acsc acss acst acta actc actf acts actt actu acu- acuf acur acus acut afaa afar afat afca afcc afcs afcu affa affc affs afft afr- afra afrc afrs afru afsa afsc afst afta aftc afts afua afus arac araf arar aras arat arau arc- arca arcs arct arfa arfc arff arfs arft arfu arr- arra arrc arrr arrs arrt arru ars- arsa arsc arst arsu arta artc artr arts arua arut asaa asac asaf asar asas asat asau asc- asca ascc ascr asct asfa asra asrc asrs asru assa assc assr asss asst assu asta astc astr asts asur asus at-t ataa atac atar atas atat atca atcc atcf atcr atcs atfc atfs atra atrc atru atsc atst atta attr atts attu atua atuc atur atus auaa auca auct aufc aufs aur- aura ausa aust ausu aut- auts caaa caac caaf caas caat cac- caca cacc cacr cafa cafc caff cafs cafu cara carc carf carr cars cart casa casc casr cass cast casu cat- cata catc catf cats catt catu cauc cauf caus caut ccaa ccac ccaf ccar ccas ccat ccca cccc cccf cccs cccu ccfa ccfc ccff ccra ccrc ccrf ccrs ccrt ccsa ccsf ccss ccst cctc cctt ccuc ccus ccut cfaa cfac cfar cfca cfcf cfcs cffr cfra cfrt cfsa cfta cftc cftr crac craf crar cras crat crau crca crcc crcr crfc crfs crrt crsa crss crst crtc crtf crts crus crut csaa csac csar csas csat cscc cscf cscr cscs csfc csfr csra csrc csrs cssa cssr csta cstc cstr csts csua csuf csur csus ctca ctcf ctfc ctfs ctrc ctrs ctsa ctsc ctss ctsu ctta ctts cuau cuca cucc cufa cufc cuff cura curf curr curs curt cusa cuss cust cusu cut- cuta cutc cuts cutt faaa faac faas faca facc facs fact fafa fafc faff fara farc farr fars fart faru fasa fasc fass fast fata fatc fatf fats fatt faur faut fcar fcas fcat fcca fccf fcra fcsc fcst ffar ffcc ffff ffrr ffsa ffss fftf frac fras frat frau frcc frfc frsc frst frta fsas fscc fsra fssa fssc fssf fsta ft-c ftfc ftrs ftsa ftsr ftuc fuar fuat fuc- fuca fuct fufc fuff fufu fur- fura furr furs furt fusa fusc fuss fust fusu futa futs futu raaf raas raat rac- raca racc racs ract racu rafa rafc raff raft rara rarf rars rasa rasc rass rast rasu rata ratf rats ratt ratu raua rauc rauf raus raut rcac rcaf rcas rccc rccs rcfc rcsa rcsc rcss rctc rcts rffc rftc rras rrat rrfc rrrr rsaa rsaf rscc rscs rsfc rssa rsts rstu rsua rtas rtca rtcc rtfc rtss rtts ruas ruca ruct rufa rufc ruff ruft rura rurc rurs ruru rusa russ rust rusu ruta ruts rutt rutu sa-c saac saaf saar saas saat saca sacc sacr sacs sact sacu safa safc saff safr saft safu sara sarc sarf sarr sars sart saru sasa sasc sasf sass sast sata satc satr sats satt satu saua sauc sauf saur saus saut scaa scac scaf scar scas scat sccc sccs scct scfa scfc scr- scra scrc scrs scsa scsc scsr scst scsu sctc sctr scts scua scur scut sfar sfas sfca sfcc sfcs sffc sfra sfrc sfss sfsu sfts sraf sras srcc srct srfc srta srtr ssaa ssac ssas ssat ssau ssca sscc sscs ssfc ssra ssrc ssrs sssa sssc sssf ssss ssta sstc ssts stac star stas stat stau stca stcc stcs stcu stfc stfu stra strc strs stru stsf stss sttc sttr stuc stuf stur stus stut suar suas suat suc- succ sucr sucs suf- sufa sufc suff sufr sufs sufu sur- sura surc surf surr surs surt suru sus- susa suss sust susu suta sutu suus taa- taaf taar taas taat taca tacc tacs tact tafa tafc taff taft tara tarc tarf tarr tars tart taru tasa tasc tasr tass tast tasu tata tatr tats tatt tatu taua tauc taur taus taut tcca tccc tccu tcfc tctc tcts tfca tfcu tfrs tfss tftc traa trac traf tras trat trau trca trcc trfc trfr trra trst trtc trtr truc trus trut truu tsaa tsar tsat tsau tsca tscc tsfc tssa tssf tssr tsst tstc tsts ttfa ttfc ttff ttss tttt tuar tuas tuat tuca tucc tufa tufc tuff tuft tufu tura turc turf turr turs turt turu tusa tusc tuss tust tuta tuts tutt tutu uaca uafa uarc uars uart uaru uasa uata uatu uaua ucar ucas ucat ucca ucfa ucrc ucsa ucsc ucsf ucst ucsu ucua ucut ufcu uffa ufra urac uras urat urau urca urfa urff urft urra ursa urss ursu urts urur urus urut us-a usaa usac usaf usar usas usat usca uscc uscf uscs usfa usfc usfs usra ussa ussc ussf ussr usss usst ussu usta ustc usts usua usus utac utas utau utsa utsc uttu uuta uutf uuuu