-ana aaaa aaac aaaf aaan aaas aaca aacc aacf aacn aacs aact aafa aafc aaff aana aasa aasc aasf aass aast aata aatc aatf aatt ac-t acaa acac acan acas acat acca accc accf accs acct acfc acfs acft acsa acsc acss acst acta actc actf acts actt afaa afan afat afca afcc afcs affa affc affs afft afsa afsc afst afta aftc aftn afts ana- anaa anac anan anas anat anca ancc anct anfa anna anns annt ansa ansf ant- anta ants antt asaa asac asaf asan asas asat asc- asca ascc asct asfa asnc assa assc assn asss asst asta astc asts at-t ataa atac atan atas atat atca atcc atcf atcs atfc atfs atna atns atsc atst atta attn atts caaa caac caaf caan caas caat cac- caca cacc cafa cafc caff cafs cana canc cann cans cant casa casc cass cast cat- cata catc catf cats catt ccaa ccac ccaf ccas ccat ccca cccc cccf cccs ccfa ccfc ccff ccna ccnc ccnf ccns ccsa ccsf ccsn ccss ccst cctc cctt cfaa cfac cfca cfcf cfcn cfcs cfns cfsa cfta cftc cnaa cnac cnas cnfa cnna cnsa cnss cnta cntc cntf csaa csac csas csat cscc cscf cscs csfc cssa csta cstc csts ctan ctca ctcf ctfc ctfs ctns ctsa ctsc ctsn ctss ctta cttn ctts faaa faac faan faas faca facc facs fact fafa fafc faff fana fanc fans fant fasa fasc fasn fass fast fata fatc fatf fats fatt fcas fcat fcca fccf fcsc fcst ffcc ffff ffsa ffss fftf fnac fnta fsas fscc fssa fssc fssf fsta ft-c ftan ftfc ftsa naaa naac naan naas naat naca nacc nacf nacs nafa nafc naff nafs nan- nana nann nans nant nas- nasa nasc nasf nass nast nata natc nats natt ncaa ncac ncat ncca nccc nccf nccn nccs ncct ncfc ncna ncnc ncsa ncsc ncsf ncss ncst ncta nctc nfaa nfas nfat nfct nfff nfta nftc nnnn nnsa nnss nntn nsaa nsac nsca nscc nscs nsfc nsfs nsna nssa nssc nssf nsss nstc nsts ntcc ntfc ntfs ntsc ntsf ntss sa-c saac saaf saan saas saat saca sacc sacn sacs sact safa safc saff saft sana sann sans sant sasa sasc sasf sass sast sata satc satn sats satt scaa scac scaf scan scas scat sccc sccs scct scfa scfc scna scnt scsa scsc scsn scst sctc sctn scts sfas sfca sfcc sfcs sffc sfnt sfss sfts snas snat snca sncc sncf snns ssaa ssac ssan ssas ssat ssca sscc sscs ssfc ssns sssa sssc sssf ssss ssta sstc ssts stac stan stas stat stca stcc stcs stfc stfn stnn stns stsf stss sttc taa- taaf taan taas taat taca tacc tacs tact tafa tafc taff taft tana tann tans tant tasa tasc tass tast tata tats tatt tcca tccc tcfc tcnn tctc tcts tfca tfss tftc tnca tncc tnfc tnts tsaa tsat tsca tscc tsfc tsna tssa tssf tsst tstc tsts ttcn ttfa ttfc ttff ttfn ttss tttt