a-a a-c a-t aaa aac aaf aak aar aas aat ac- aca acc acf ack acr acs act af- afa afc aff afk afr afs aft aka akc akk akr aks ar- ara arc arf ark arr ars art as- asa asc asf ask asr ass ast at- ata atc atf atr ats att c-- caa cac caf cak car cas cat cca ccc ccf cck ccr ccs cct cfa cfc cff cfk cfr cfs cft cka ckc cks ckt cra crc crf crk crr crs crt csa csc csf csk csr css cst cta ctc ctf ctk ctr cts ctt faa fac faf fak far fas fat fca fcc fcf fck fcr fcs fct ffa ffc fff ffk ffr ffs fft fka fkc fkf fkk fkt fra frc frf frk frr frs frt fsa fsc fsf fsk fsr fss fst fta ftc ftf ftk ftr fts ftt k-t ka- kaa kac kaf kak kar kas kat kca kcc kck kcr kcs kct kfa kfc kff kfs kkc kkk kkr kks kkt kra krc krf krk krr krs krt ksa ksc ksf ksk ksr kss kst kta ktc ktf ktk ktr kts ktt ra- raa rac raf rak rar ras rat rca rcc rcf rcr rcs rct rfa rfc rff rfk rfr rfs rft rkc rkf rkk rks rkt rra rrc rrf rrk rrr rrs rrt rsa rsc rsf rsk rsr rss rst rta rtc rtf rtk rtr rts rtt saa sac saf sak sar sas sat sca scc scf sck scr scs sct sfa sfc sff sfk sfr sfs sft sk- ska skc skf skk skr sks skt sr- sra src srf srk srr srs srt ss- ssa ssc ssf ssk ssr sss sst sta stc stf stk str sts stt taa tac taf tak tar tas tat tca tcc tcf tck tcr tcs tct tfa tfc tff tfk tfr tfs tft tka tkc tkk tkr tks tkt tra trc trf trk trr trs trt tsa tsc tsf tsk tsr tss tst tta ttc ttf ttk ttr tts ttt

a-ak aaaa aaac aaaf aaar aaas aaca aacc aacf aack aacr aacs aact aafa aafc aaff aaka aara aarc aars aart aasa aasc aasf aass aast aata aatc aatf aatk aatt ac-t acaa acac acar acas acat acca accc accf accs acct acfc acfs acft acks acr- acra acrc acrr acrs acsa acsc acss acst acta actc actf acts actt afaa afak afar afat afca afcc afcs affa affc affs afft afka afkr afr- afra afrc afrs afsa afsc afst afta aftc afts akaa akar akas akca akka akr- akra aksa akst arac araf arak arar aras arat arc- arca arcs arct arfa arfc arff arfs arft arka arks arr- arra arrc arrk arrr arrs arrt ars- arsa arsc arsk arst arta artc artr arts asaa asac asaf asak asar asas asat asc- asca ascc ascr asct asfa aska askr asks askt asra asrc asrs assa assc assk assr asss asst asta astc astr asts at-t ataa atac atak atar atas atat atca atcc atcf atck atcr atcs atfc atfs atka atkt atra atrc atrk atsc atst atta attr atts caaa caac caaf caas caat cac- caca cacc cack cacr cafa cafc caff cafs caka cara carc carf cark carr cars cart casa casc cask casr cass cast cat- cata catc catf cats catt ccaa ccac ccaf ccar ccas ccat ccca cccc cccf cccs ccfa ccfc ccff ccra ccrc ccrf ccrs ccrt ccsa ccsf ccss ccst cctc cctt cfaa cfac cfar cfca cfcf cfcs cffr cfra cfrt cfsa cfta cftc cftk cftr ckac ckat ckck ckcs ckfr ckrc cksa ckst ckts crac craf crar cras crat crca crcc crcr crfc crfs crkc crrt crsa crss crst crtc crtf crts csaa csac csak csar csas csat cscc cscf cscr cscs csfc csfr cska csks csra csrc csrs cssa cssr csta cstc cstr csts ctca ctcf ctfc ctfs ctrc ctrs ctsa ctsc ctss ctta ctts f--k faaa faac faas faca facc fack facs fact fafa fafc faff fakt fara farc fark farr fars fart fasa fasc fass fast fata fatc fatf fats fatt fcar fcas fcat fcca fccf fcra fcsc fcst ffar ffcc ffff ffrr ffsa ffss fftf frac frak fras frat frcc frfc frsc frst frta fsas fscc fsck fsra fssa fssc fssf fsta ft-c ftfc ftrs ftsa ftsr kaaa kaaf kaak kaar kaas kaat kacc kacs kact kafa kafc kaff kafr kafs kaka kakc kakk kaks kakt kara karf kark karr kars kart kas- kasa kasc kasf kask kasr kass kast kat- kata katc katf katk katr kats katt kcaa kcac kcar kcas kcat kcca kccc kcck kccr kcct kcfa kcfc kcft kckc kckf kckk kckr kcrc kcrr kcrs kcrt kcsa kcsc kcsf kcsr kcss kcst kcta kctc kfac kfar kfat kfcf kfcr kfcs kffa kfff kffk kfka kfra kfrc kfrr kfrs kfsa kfsk kfsr kfst kfta kftc kftk kftt kkaa kkac kkar kkat kkck kkcr kkcs kkct kkfr kkfs kkft kkkk kkrc kkrf kkrk kkrr kkrs kkrt kksa kksf kksr kkss kkst kktc kktk kkts krac krak krar kras krat krca krcc krcs krfc krff krfs krft krka krkc krkk krkr krks krrc krrf krrk krrr krrs krrt krsa krsc krsf krsk krsr krss krst krta krtc krtk krtr krts ksac ksaf ksak ksar ksas ksat ksca ksck kscr kscs ksfa ksfc ksfr ksft kska kskf kskk kskr ksks ksra ksrf ksrr ksrs ksrt kssa kssr ksss ksst ksta kstc kstk kstr ksts kstt ktaa ktak ktar ktas ktat ktcc ktck ktcr ktcs ktfc ktfs ktkc ktkk ktkr ktks ktkt ktrc ktrf ktrk ktrr ktrs ktrt ktsa ktsc ktsf ktsr ktst kttc kttf kttk kttr ktts kttt raaf raak raas raat rac- raca racc rack racs ract rafa rafc raff raft raka rakk rakt rara rarf rark rars rasa rasc rask rass rast rata ratf ratk rats ratt rcac rcaf rcas rccc rccs rcfc rcsa rcsc rcss rctc rcts rffc rftc rkkf rkss rkts rras rrat rrfc rrrr rsaa rsaf rscc rscs rsfc rssa rsts rtas rtca rtcc rtfc