a-a a-c a-t aaa aac aad aaf aak aar aas aat aau ac- aca acc acd acf ack acr acs act acu ad- ada adc add adf adk adr ads adt adu af- afa afc afd aff afk afr afs aft afu aka akc akd akk akr aks aku ar- ara arc ard arf ark arr ars art aru as- asa asc asd asf ask asr ass ast asu at- ata atc atd atf atr ats att atu au- aua auc aud auf auk aur aus aut c-- caa cac cad caf cak car cas cat cau cca ccc ccd ccf cck ccr ccs cct ccu cda cdc cdd cdf cdk cdr cds cdt cdu cfa cfc cfd cff cfk cfr cfs cft cfu cka ckc ckd cks ckt cra crc crd crf crk crr crs crt cru csa csc csd csf csk csr css cst csu cta ctc ctd ctf ctk ctr cts ctt ctu cua cuc cud cuf cuk cur cus cut cuu daa dac dad daf dak dar das dat dau dca dcc dcd dcf dck dcr dcs dct dcu dda ddc ddd ddf ddk ddr dds ddt ddu dfa dfc dfd dff dfk dfr dfs dft dfu dka dkc dkk dkr dks dkt dku dra drc drd drk drr drs drt dru dsa dsc dsd dsf dsk dsr dss dst dsu dta dtc dtd dtf dtk dtr dts dtt dtu dua duc dud duf duk dur dus dut faa fac fad faf fak far fas fat fau fca fcc fcd fcf fck fcr fcs fct fcu fda fdc fdd fdf fdk fdr fds fdt fdu ffa ffc ffd fff ffk ffr ffs fft ffu fka fkc fkf fkk fkt fra frc frd frf frk frr frs frt fru fsa fsc fsd fsf fsk fsr fss fst fsu fta ftc ftd ftf ftk ftr fts ftt ftu fua fud fuf fuk fur fus fut fuu k-t ka- kaa kac kad kaf kak kar kas kat kau kca kcc kcd kck kcr kcs kct kcu kda kdc kdf kdk kdr kds kdt kdu kfa kfc kfd kff kfs kfu kkc kkk kkr kks kkt kku kra krc krd krf krk krr krs krt kru ksa ksc ksd ksf ksk ksr kss kst ksu kta ktc ktf ktk ktr kts ktt ktu kuc kud kuk kur kus kut kuu ra- raa rac rad raf rak rar ras rat rau rca rcc rcd rcf rcr rcs rct rcu rda rdc rdd rdf rdr rds rdt rdu rfa rfc rfd rff rfk rfr rfs rft rfu rkc rkf rkk rks rkt rku rra rrc rrd rrf rrk rrr rrs rrt rru rsa rsc rsd rsf rsk rsr rss rst rsu rta rtc rtd rtf rtk rtr rts rtt rtu rua ruc rud ruf ruk rur rus rut ruu saa sac sad saf sak sar sas sat sau sca scc scd scf sck scr scs sct scu sda sdc sdd sdf sdk sdr sds sdt sdu sfa sfc sfd sff sfk sfr sfs sft sfu sk- ska skc skd skf skk skr sks skt sku sr- sra src srd srf srk srr srs srt ss- ssa ssc ssd ssf ssk ssr sss sst ssu sta stc std stf stk str sts stt stu sua suc sud suf suk sur sus sut suu taa tac tad taf tak tar tas tat tau tca tcc tcd tcf tck tcr tcs tct tcu tda tdc tdd tdf tdk tdr tds tdt tdu tfa tfc tfd tff tfk tfr tfs tft tfu tka tkc tkk tkr tks tkt tra trc trd trf trk trr trs trt tru tsa tsc tsd tsf tsk tsr tss tst tsu tta ttc ttd ttf ttk ttr tts ttt ttu tua tuc tud tuf tuk tur tus tut tuu ua- uaa uac uad uaf uak uar uas uat uau uca ucc ucd ucf uck ucr ucs uct ucu uda udc udd udf udk udr uds udt udu ufa ufc ufd uff ufr ufs uft ufu uka ukc ukf ukk ukr uku ur- ura urc urd urf urk urr urs urt uru usa usc usd usf usk usr uss ust usu uta utc utd utf utk utr uts utt utu uua uuc uur uus uut uuu

a-ak a-fu aaaa aaac aaad aaaf aaar aaas aaca aacc aacd aacf aack aacr aacs aact aacu aada aadc aads aadt aadu aafa aafc aafd aaff aaka aaku aara aarc aard aars aart aaru aasa aasc aasd aasf aass aast aasu aata aatc aatf aatk aatt aaus ac-t acaa acac acad acar acas acat acca accc accd accf accs acct accu acda acdc acdf acds acdt acfc acfd acfs acft ackd acks acr- acra acrc acrr acrs acsa acsc acsd acss acst acta actc actf acts actt actu acu- acuf acur acus acut adaa adac adad adak adar adas adat adcc adcs adda addc addd addr adds addu adfa adfc adfs adra adrs adsa adsr adss adst adta adts adua aduk adur afaa afad afak afar afat afca afcc afcs afcu afdc affa affc affs afft afka afkr afr- afra afrc afrs afru afsa afsc afst afta aftc afts afua afud afus akaa akar akas akca akka akku akr- akra aksa akst aksu akua arac arad araf arak arar aras arat arau arc- arca arcs arct arda ardc ardf ards ardu arfa arfc arff arfs arft arfu arka arks arr- arra arrc arrk arrr arrs arrt arru ars- arsa arsc arsd arsk arst arsu arta artc artr arts arua arud arut asaa asac asad asaf asak asar asas asat asau asc- asca ascc ascr asct asda asdf asds asfa aska askr asks askt asra asrc asrs asru assa assc assd assk assr asss asst assu asta astc astr asts asud asur asus at-t ataa atac atad atak atar atas atat atca atcc atcf atck atcr atcs atdt atfc atfs atka atkt atra atrc atrk atru atsc atst atta attr atts attu atua atuc atuk atur atus auaa auca auct audc aufc aufs auks aur- aura aurd