a-fu aaaa aaac aaaf aaas aaca aacc aacf aacs aact aacu aafa aafc aaff aasa aasc aasf aass aast aasu aata aatc aatf aatt aaus ac-t acaa acac acas acat acca accc accf accs acct accu acfc acfs acft acsa acsc acss acst acta actc actf acts actt actu acu- acuf acus acut afaa afat afca afcc afcs afcu affa affc affs afft afsa afsc afst afta aftc afts afua afus asaa asac asaf asas asat asau asc- asca ascc asct asfa assa assc asss asst assu asta astc asts asus at-t ataa atac atas atat atca atcc atcf atcs atfc atfs atsc atst atta atts attu atua atuc atus auaa auca auct aufc aufs ausa aust ausu aut- auts caaa caac caaf caas caat cac- caca cacc cafa cafc caff cafs cafu casa casc cass cast casu cat- cata catc catf cats catt catu cauc cauf caus caut ccaa ccac ccaf ccas ccat ccca cccc cccf cccs cccu ccfa ccfc ccff ccsa ccsf ccss ccst cctc cctt ccuc ccus ccut cfaa cfac cfca cfcf cfcs cfsa cfta cftc csaa csac csas csat cscc cscf cscs csfc cssa csta cstc csts csua csuf csus ctca ctcf ctfc ctfs ctsa ctsc ctss ctsu ctta ctts cuau cuca cucc cufa cufc cuff cusa cuss cust cusu cut- cuta cutc cuts cutt faaa faac faas faca facc facs fact fafa fafc faff fasa fasc fass fast fata fatc fatf fats fatt faut fcas fcat fcca fccf fcsc fcst ffcc ffff ffsa ffss fftf fsas fscc fssa fssc fssf fsta ft-c ftfc ftsa ftuc fuat fuc- fuca fuct fufc fuff fufu fusa fusc fuss fust fusu futa futs futu sa-c saac saaf saas saat saca sacc sacs sact sacu safa safc saff saft safu sasa sasc sasf sass sast sata satc sats satt satu saua sauc sauf saus saut scaa scac scaf scas scat sccc sccs scct scfa scfc scsa scsc scst scsu sctc scts scua scut sfas sfca sfcc sfcs sffc sfss sfsu sfts ssaa ssac ssas ssat ssau ssca sscc sscs ssfc sssa sssc sssf ssss ssta sstc ssts stac stas stat stau stca stcc stcs stcu stfc stfu stsf stss sttc stuc stuf stus stut suas suat suc- succ sucs suf- sufa sufc suff sufs sufu sus- susa suss sust susu suta sutu suus taa- taaf taas taat taca tacc tacs tact tafa tafc taff taft tasa tasc tass tast tasu tata tats tatt tatu taua tauc taus taut tcca tccc tccu tcfc tctc tcts tfca tfcu tfss tftc tsaa tsat tsau tsca tscc tsfc tssa tssf tsst tstc tsts ttfa ttfc ttff ttss tttt tuas tuat tuca tucc tufa tufc tuff tuft tufu tusa tusc tuss tust tuta tuts tutt tutu uaca uafa uasa uata uatu uaua ucas ucat ucca ucfa ucsa ucsc ucsf ucst ucsu ucua ucut ufcu uffa us-a usaa usac usaf usas usat usca uscc uscf uscs usfa usfc usfs ussa ussc ussf usss usst ussu usta ustc usts usua usus utac utas utau utsa utsc uttu uuta uutf uuuu