a-a a-c a-t aaa aac aad aak aap aar aas aat ac- aca acc acd ack acp acr acs act ad- ada adc add adk adp adr ads adt aka akc akd akk akp akr aks ap- apa apc apd apk app apr aps apt ar- ara arc ard ark arp arr ars art as- asa asc asd ask asp asr ass ast at- ata atc atd atp atr ats att c-- caa cac cad cak cap car cas cat cca ccc ccd cck ccp ccr ccs cct cda cdc cdd cdk cdp cdr cds cdt cka ckc ckd cks ckt cpa cpc cpd cpk cpp cpr cps cpt cra crc crd crk crp crr crs crt csa csc csd csk csp csr css cst cta ctc ctd ctk ctp ctr cts ctt daa dac dad dak dap dar das dat dca dcc dcd dck dcp dcr dcs dct dda ddc ddd ddk ddp ddr dds ddt dka dkc dkk dkp dkr dks dkt dpa dpc dpd dpk dpp dpr dps dpt dra drc drd drk drp drr drs drt dsa dsc dsd dsk dsp dsr dss dst dta dtc dtd dtk dtp dtr dts dtt k-t ka- kaa kac kad kak kap kar kas kat kca kcc kcd kck kcp kcr kcs kct kda kdc kdk kdp kdr kds kdt kkc kkk kkp kkr kks kkt kpa kpc kpd kpk kpp kpr kps kpt kra krc krd krk krp krr krs krt ksa ksc ksd ksk ksp ksr kss kst kta ktc ktk ktp ktr kts ktt p-p paa pac pad pak pap par pas pat pca pcc pcd pck pcp pcr pcs pct pda pdc pdd pdk pdp pdr pds pdt pka pkc pkd pkp pkr pks pkt ppa ppc ppd ppk ppp ppr pps ppt pra prc prd prk prp prr prs prt ps- psa psc psd psk psp psr pss pst pt- pta ptc ptd ptk ptp ptr pts ptt ra- raa rac rad rak rap rar ras rat rca rcc rcd rcp rcr rcs rct rda rdc rdd rdp rdr rds rdt rkc rkk rkp rks rkt rpa rpc rpd rpk rpp rpr rps rpt rra rrc rrd rrk rrp rrr rrs rrt rsa rsc rsd rsk rsp rsr rss rst rta rtc rtd rtk rtp rtr rts rtt saa sac sad sak sap sar sas sat sca scc scd sck scp scr scs sct sda sdc sdd sdk sdp sdr sds sdt sk- ska skc skd skk skp skr sks skt spa spc spd spk spp spr sps spt sr- sra src srd srk srp srr srs srt ss- ssa ssc ssd ssk ssp ssr sss sst sta stc std stk stp str sts stt taa tac tad tak tap tar tas tat tca tcc tcd tck tcp tcr tcs tct tda tdc tdd tdk tdp tdr tds tdt tka tkc tkk tkp tkr tks tkt tpa tpc tpd tpk tpp tpr tps tpt tra trc trd trk trp trr trs trt tsa tsc tsd tsk tsp tsr tss tst tta ttc ttd ttk ttp ttr tts ttt

a-ak aaaa aaac aaad aaap aaar aaas aaca aacc aacd aack aacp aacr aacs aact aada aadc aads aadt aaka aapa aapc aaps aapt aara aarc aard aarp aars aart aasa aasc aasd aass aast aata aatc aatk aatt ac-t acaa acac acad acap acar acas acat acca accc accd accp accs acct acda acdc acdp acds acdt ackd acks acpa acpd acpr acps acpt acr- acra acrc acrr acrs acsa acsc acsd acss acst acta actc acts actt adaa adac adad adak adap adar adas adat adcc adcs adda addc addd addr adds adp- adps adra adrs adsa adsr adss adst adta adts akaa akap akar akas akca akka akr- akra aksa akst apac apak apap apar apas apat apca apcc apcd apcr apcs apda apdd apds appa appc appd appr apps appt apra aprc aprs aprt apsa apss apta aptc apts aptt arac arad arak arap arar aras arat arc- arca arcs arct arda ardc ards arka arks arpa arps arr- arra arrc arrk arrr arrs arrt ars- arsa arsc arsd arsk arst arta artc artr arts asaa asac asad asak asap asar asas asat asc- asca ascc ascp ascr asct asda asds aska askr asks askt aspa aspc aspd aspr asps aspt asra asrc asrs assa assc assd assk assp assr asss asst asta astc astp astr asts at-t ataa atac atad atak atap atar atas atat atca atcc atck atcr atcs atdt atka atkt atpr atra atrc atrk atrp atsc atst atta attp attr atts c-cd caaa caac caap caas caat cac- caca cacc cack cacr cada cadc cadd cadr cads caka capa capc capd capp caps capt cara carc card cark carp carr cars cart casa casc casd cask casp casr cass cast cat- cata catc catd cats catt ccaa ccac ccad ccap ccar ccas ccat ccca cccc cccp cccs ccdc ccdp ccdr ccds ccpa ccpp ccpr ccps ccra ccrc ccrp ccrs ccrt ccsa ccsd ccsp ccss ccst cctc cctt cd-r cdaa cdac cdad cdcs cdda cddr cdps cdrs cdss ckac ckat ckck ckcs ckpc ckpr ckrc ckrd cksa ckst ckts cpaa cpac cpad cpap cpas cpca cpcs cppa cppd cpps cprs cprt cpsa cpsc cpsk cpsr cptp cptr cpts crac crap crar cras crat crca crcc crcr crda crdc crkc crkp crpc crps crrt crsa crsp crss crst crtc crtp crts csaa csac csak csar csas csat cscc cscd cscr cscs csda csdp csdr cska csks cspa cspc cspd csps cspt csra csrc csrd csrs cssa cssd cssr csta cstc cstd cstr csts ctca ctcp ctpp ctps ctrc ctrp ctrs ctsa ctsc ctss ctta ctts daad daap daar daas daca dacs dact dada dads daka daks dapa dapp daps dara darc dard dark darp darr dars dart dasa dasc dasd dask dass dast data datp datr dats datt dcas dcca dccc dccp dccs dcct dcds dcps dcra dcrk dcsc dcss dctc dcts dddd ddps ddrc ddss ddts dkdc dpaa dpac