aaaa aaac aaap aaas aaca aacc aacp aacs aact aapa aapc aaps aapt aasa aasc aass aast aata aatc aatt ac-t acaa acac acap acas acat acca accc accp accs acct acpa acps acpt acsa acsc acss acst acta actc acts actt apac apap apas apat apca apcc apcs appa appc apps appt apsa apss apta aptc apts aptt asaa asac asap asas asat asc- asca ascc ascp asct aspa aspc asps aspt assa assc assp asss asst asta astc astp asts at-t ataa atac atap atas atat atca atcc atcs atsc atst atta attp atts caaa caac caap caas caat cac- caca cacc capa capc capp caps capt casa casc casp cass cast cat- cata catc cats catt ccaa ccac ccap ccas ccat ccca cccc cccp cccs ccpa ccpp ccps ccsa ccsp ccss ccst cctc cctt cpaa cpac cpap cpas cpca cpcs cppa cpps cpsa cpsc cptp cpts csaa csac csas csat cscc cscs cspa cspc csps cspt cssa csta cstc csts ctca ctcp ctpp ctps ctsa ctsc ctss ctta ctts paap paas paat paca pacs pact papa papp paps pasa pasc pasp pass past pata pats patt pcaa pcap pcas pcca pccc pccs pcpp pcps pcsa pcts ppac ppap ppcc ppcs pppa pppp ppps ppss ppta ppts pptt psac psap psas psat psca pspp psps pssa pssc psst psts ptas ptca ptcc ptsa pttc sa-c saac saap saas saat saca sacc sacs sact sapa sapp saps sasa sasc sass sast sata satc sats satt scaa scac scap scas scat sccc sccp sccs scct scpa scps scpt scsa scsc scst sctc scts sp-a spac spap spas spat spca spcc spcs spps spsa spsp spss spst spta sptc spts ssaa ssac ssap ssas ssat ssca sscc sscp sscs sspa sspc ssps sspt sssa sssc ssss ssta sstc sstp ssts stac stap stas stat stca stcc stcp stcs stpp stps stss sttc taa- taas taat taca tacc tacs tact tapa tapp taps tapt tasa tasc tasp tass tast tata tats tatt tcap tcca tccc tcpa tctc tcts tpac tpap tpcp tpcs tppa tppp tpsa tpsc tptp tsaa tsat tsca tscc tscp tsps tspt tssa tsst tstc tsts ttcp ttss tttt