a-a a-c a-t aaa aac aad aaf aar aas aat ac- aca acc acd acf acr acs act ad- ada adc add adf adr ads adt af- afa afc afd aff afr afs aft ar- ara arc ard arf arr ars art as- asa asc asd asf asr ass ast at- ata atc atd atf atr ats att c-- caa cac cad caf car cas cat cca ccc ccd ccf ccr ccs cct cda cdc cdd cdf cdr cds cdt cfa cfc cfd cff cfr cfs cft cra crc crd crf crr crs crt csa csc csd csf csr css cst cta ctc ctd ctf ctr cts ctt daa dac dad daf dar das dat dca dcc dcd dcf dcr dcs dct dda ddc ddd ddf ddr dds ddt dfa dfc dfd dff dfr dfs dft dra drc drd drr drs drt dsa dsc dsd dsf dsr dss dst dta dtc dtd dtf dtr dts dtt faa fac fad faf far fas fat fca fcc fcd fcf fcr fcs fct fda fdc fdd fdf fdr fds fdt ffa ffc ffd fff ffr ffs fft fra frc frd frf frr frs frt fsa fsc fsd fsf fsr fss fst fta ftc ftd ftf ftr fts ftt ra- raa rac rad raf rar ras rat rca rcc rcd rcf rcr rcs rct rda rdc rdd rdf rdr rds rdt rfa rfc rfd rff rfr rfs rft rra rrc rrd rrf rrr rrs rrt rsa rsc rsd rsf rsr rss rst rta rtc rtd rtf rtr rts rtt saa sac sad saf sar sas sat sca scc scd scf scr scs sct sda sdc sdd sdf sdr sds sdt sfa sfc sfd sff sfr sfs sft sr- sra src srd srf srr srs srt ss- ssa ssc ssd ssf ssr sss sst sta stc std stf str sts stt taa tac tad taf tar tas tat tca tcc tcd tcf tcr tcs tct tda tdc tdd tdf tdr tds tdt tfa tfc tfd tff tfr tfs tft tra trc trd trf trr trs trt tsa tsc tsd tsf tsr tss tst tta ttc ttd ttf ttr tts ttt

aaaa aaac aaad aaaf aaar aaas aaca aacc aacd aacf aacr aacs aact aada aadc aads aadt aafa aafc aafd aaff aara aarc aard aars aart aasa aasc aasd aasf aass aast aata aatc aatf aatt ac-t acaa acac acad acar acas acat acca accc accd accf accs acct acda acdc acdf acds acdt acfc acfd acfs acft acr- acra acrc acrr acrs acsa acsc acsd acss acst acta actc actf acts actt adaa adac adad adar adas adat adcc adcs adda addc addd addr adds adfa adfc adfs adra adrs adsa adsr adss adst adta adts afaa afad afar afat afca afcc afcs afdc affa affc affs afft afr- afra afrc afrs afsa afsc afst afta aftc afts arac arad araf arar aras arat arc- arca arcs arct arda ardc ardf ards arfa arfc arff arfs arft arr- arra arrc arrr arrs arrt ars- arsa arsc arsd arst arta artc artr arts asaa asac asad asaf asar asas asat asc- asca ascc ascr asct asda asdf asds asfa asra asrc asrs assa assc assd assr asss asst asta astc astr asts at-t ataa atac atad atar atas atat atca atcc atcf atcr atcs atdt atfc atfs atra atrc atsc atst atta attr atts c-cd caaa caac caaf caas caat cac- caca cacc cacr cada cadc cadd cadr cads cafa cafc caff cafs cara carc card carf carr cars cart casa casc casd casr cass cast cat- cata catc catd catf cats catt ccaa ccac ccad ccaf ccar ccas ccat ccca cccc cccf cccs ccdc ccdf ccdr ccds ccfa ccfc ccfd ccff ccra ccrc ccrf ccrs ccrt ccsa ccsd ccsf ccss ccst cctc cctt cd-r cdaa cdac cdad cdcs cdda cddr cdfa cdfs cdrs cdss cfaa cfac cfar cfca cfcf cfcs cfda cfds cffr cfra cfrt cfsa cfta cftc cftr crac craf crar cras crat crca crcc crcr crda crdc crfc crfs crrt crsa crss crst crtc crtf crts csaa csac csar csas csat cscc cscd cscf cscr cscs csda csdr csfc csfr csra csrc csrd csrs cssa cssd cssr csta cstc cstd cstr csts ctca ctcf ctfc ctfs ctrc ctrs ctsa ctsc ctss ctta ctts daad daar daas daca dacs dact dada dads dafa dafc daff dafs daft dara darc dard darf darr dars dart dasa dasc dasd dass dast data datr dats datt dcas dcca dccc dccs dcct dcds dcfc dcfs dcra dcsc dcss dctc dcts dddd ddrc ddss ddts dfaf dfas dfcc dfcs dfds dfdt dffa dfrf dftr dfts draa drac drad draf drar dras drat drca drda drfc drra drrs drsa dsac dscc dscr dscs dsda dsdr dsfa dsfc dsrc dsrr dssa dssc dsst dstc dsts dtaa dtac dtcc dtfc dtss faaa faac faad faas faca facc facs fact fada fadd fads fafa fafc faff fara farc fard farr fars fart fasa fasc fasd fass fast fata fatc fatf fats fatt fcar fcas fcat fcca fccf fcda fcds fcra fcsc fcst fdca fdst fdtc ffar ffcc ffff ffrr ffsa ffss fftf frac frad fras frat frcc frfc frsc frst frta fsas fscc fsra fssa fssc fssf fsta ft-c ftcd ftfc ftrs ftsa ftsr raad raaf raas raat rac- raca racc racs ract rada radc radd radr rads radt rafa rafc raff raft rara rarf rars rasa rasc rasd rass rast rata ratf rats ratt rcac rcaf rcas rccc rccs rcdc rcds rcfc rcrd rcsa rcsc rcsd rcss rctc rcts rdac rdas rdfa rfds rffc rftc rrad rras rrat rrfc rrrr rsaa rsaf rscc rscs rsdd rsds rsfc rssa rsts rtas rtca rtcc rtdt rtfc rtss rtts sa-c saac saad saaf saar saas saat saca sacc sacd sacr sacs sact sada sadc sadd sadr sads sadt safa safc saff safr saft sara sarc sard sarf sarr sars sart sasa sasc sasd sasf sass sast sata satc satd satr sats satt scaa scac scad scaf scar scas scat sccc sccs scct scda scdc