-ana aaaa aaac aaaf aaan aaar aaas aaca aacc aacf aacn aacr aacs aact aafa aafc aaff aana aara aarc aars aart aasa aasc aasf aass aast aata aatc aatf aatt ac-t acaa acac acan acar acas acat acca accc accf accs acct acfc acfs acft acr- acra acrc acrr acrs acsa acsc acss acst acta actc actf acts actt afaa afan afar afat afca afcc afcs affa affc affs afft afr- afra afrc afrs afsa afsc afst afta aftc aftn afts ana- anaa anac anan anar anas anat anca ancc anct anfa anna anns annt anrc ansa ansf ant- anta antr ants antt arac araf aran arar aras arat arc- arca arcs arct arfa arfc arff arfs arft arna arns arnt arr- arra arrc arrr arrs arrt ars- arsa arsc arst arta artc artr arts asaa asac asaf asan asar asas asat asc- asca ascc ascr asct asfa asnc asra asrc asrs assa assc assn assr asss asst asta astc astr asts at-t ataa atac atan atar atas atat atca atcc atcf atcr atcs atfc atfs atna atns atra atrc atrn atsc atst atta attn attr atts caaa caac caaf caan caas caat cac- caca cacc cacr cafa cafc caff cafs cana canc cann cans cant cara carc carf carn carr cars cart casa casc casr cass cast cat- cata catc catf cats catt ccaa ccac ccaf ccar ccas ccat ccca cccc cccf cccs ccfa ccfc ccff ccna ccnc ccnf ccnr ccns ccra ccrc ccrf ccrs ccrt ccsa ccsf ccsn ccss ccst cctc cctt cfaa cfac cfar cfca cfcf cfcn cfcs cffr cfnr cfns cfra cfrn cfrt cfsa cfta cftc cftr cnaa cnac cnas cnfa cnna cnrc cnrr cnrt cnsa cnss cnta cntc cntf cntr crac craf cran crar cras crat crca crcc crcr crfc crfs crna crns crrt crsa crss crst crtc crtf crts csaa csac csar csas csat cscc cscf cscr cscs csfc csfr csra csrc csrs cssa cssr csta cstc cstr csts ctan ctca ctcf ctfc ctfs ctns ctrc ctrn ctrs ctsa ctsc ctsn ctss ctta cttn ctts faaa faac faan faas faca facc facs fact fafa fafc faff fana fanc fans fant fara farc farr fars fart fasa fasc fasn fass fast fata fatc fatf fats fatt fcar fcas fcat fcca fccf fcra fcsc fcst ffar ffcc ffff ffrr ffsa ffss fftf fnac fnar fnrs fnta frac fran fras frat frcc frcn frfc frns frsc frst frta fsas fscc fsra fssa fssc fssf fsta ft-c ftan ftfc ftrs ftsa ftsr naaa naac naan naar naas naat naca nacc nacf nacs nafa nafc naff nafs nan- nana nann nans nant nara narc narf narn narr nars nart nas- nasa nasc nasf nasr nass nast nata natc nats natt ncaa ncac ncar ncat ncca nccc nccf nccn nccr nccs ncct ncfc ncna ncnc ncra ncrc ncsa ncsc ncsf ncss ncst ncta nctc nctr nfaa nfas nfat nfct nfff nfra nfrs nfsr nfta nftc nnnn nnsa nnss nntn nras nrca nrcs nrfc nrna nrrc nrsa nrsc nrta nrts nsaa nsac nsar nsca nscc nscs nsfc nsfs nsna nsnr nsra nsrc nssa nssc nssf nssr nsss nstc nsts ntcc ntfc ntfs ntrc ntsc ntsf ntss nttr raaf raan raas raat rac- raca racc racs ract rafa rafc raff raft rana ranc rann rans rant rara rarf rars rasa rasc rass rast rata ratf rats ratt rcac rcaf rcas rccc rccs rcfc rcnr rcsa rcsc rcss rctc rcts rffc rftc rnaf rnas rncs rnnt rras rrat rrfc rrna rrrr rsaa rsaf rscc rscn rscs rsfc rsna rsnn rsnr rssa rsts rtan rtas rtca rtcc rtfc rtns rtss rtts sa-c saac saaf saan saar saas saat saca sacc sacn sacr sacs sact safa safc saff safr saft sana sann sanr sans sant sara sarc sarf sarn sarr sars sart sasa sasc sasf sass sast sata satc satn satr sats satt scaa scac scaf scan scar scas scat sccc sccs scct scfa scfc scna scnr scnt scr- scra scrc scrn scrs scsa scsc scsn scsr scst sctc sctn sctr scts sfar sfas sfca sfcc sfcs sffc sfnt sfra sfrc sfss sfts snar snas snat snca sncc sncf snns snra snrs sntr sraf sras srcc srct srfc srna srnn srta srtr ssaa ssac ssan ssas ssat ssca sscc sscs ssfc ssns ssra ssrc ssrs sssa sssc sssf ssss ssta sstc ssts stac stan star stas stat stca stcc stcs stfc stfn stnn stnr stns stra strc strn strs stsf stss sttc sttr taa- taaf taan taar taas taat taca tacc tacs tact tafa tafc taff taft tana tann tans tant tara tarc tarf tarn tarr tars tart tasa tasc tasr tass tast tata tatr tats tatt tcca tccc tcfc tcnn tctc tcts tfca tfrs tfss tftc tnca tncc tnfc tnts traa trac traf tran tras trat trca trcc trfc trfr trna trra trst trtc trtr tsaa tsar tsat tsca tscc tsfc tsna tssa tssf tssr tsst tstc tsts ttcn ttfa ttfc ttff ttfn ttss tttt