a-a a-c a-t aaa aac aad aae aan aas aat aau ac- aca acc acd ace acn acs act acu ad- ada adc add ade adn ads adt adu aea aec aed aee aen aes aet aeu an- ana anc and ane ann ans ant anu as- asa asc asd ase asn ass ast asu at- ata atc atd ate atn ats att atu au- aua auc aud aue aun aus aut c-- caa cac cad cae can cas cat cau cca ccc ccd cce ccn ccs cct ccu cda cdc cdd cde cdn cds cdt cdu ce- cea cec ced cee cen ces cet ceu cn- cna cnc cnd cne cnn cns cnt cnu csa csc csd cse csn css cst csu cta ctc ctd cte ctn cts ctt ctu cua cuc cud cue cun cus cut cuu daa dac dad dae dan das dat dau dca dcc dcd dce dcn dcs dct dcu dda ddc ddd dde ddn dds ddt ddu de- dea dec ded dee den des det deu dna dnc dnd dne dnn dns dnt dsa dsc dsd dse dsn dss dst dsu dta dtc dtd dte dtn dts dtt dtu dua duc dud due dun dus dut eaa eac ead eae ean eas eat eau ec- eca ecc ecd ece ecn ecs ect ecu ed- eda edc edd ede edn eds edt edu eea eec eed eee een ees eet en- ena enc end ene enn ens ent enu es- esa esc esd ese esn ess est esu eta etc etd ete etn ets ett etu eu- eua euc eud eue eun eus eut naa nac nad nae nan nas nat nau nca ncc ncd nce ncn ncs nct ncu nda ndc ndd nde ndn nds ndt ndu ne- nea nec ned nee nen nes net neu nna nnc nne nnn nns nnt nnu nsa nsc nsd nse nsn nss nst nsu nta ntc ntd nte ntn nts ntt ntu nua nuc nud nue nun nus nut nuu saa sac sad sae san sas sat sau sca scc scd sce scn scs sct scu sda sdc sdd sde sdn sds sdt sdu se- sea sec sed see sen ses set seu sna snc snd sne snn sns snt snu ss- ssa ssc ssd sse ssn sss sst ssu sta stc std ste stn sts stt stu sua suc sud sue sun sus sut suu taa tac tad tae tan tas tat tau tca tcc tcd tce tcn tcs tct tcu tda tdc tdd tde tdn tds tdt tdu te- tea tec ted tee ten tes tet teu tna tnc tnd tne tnn tns tnt tsa tsc tsd tse tsn tss tst tsu tta ttc ttd tte ttn tts ttt ttu tua tuc tud tue tun tus tut tuu ua- uaa uac uad uae uan uas uat uau uca ucc ucd uce ucn ucs uct ucu uda udc udd ude udn uds udt udu uea uec ued uee uen ues uet un- una unc und une unn uns unt unu usa usc usd use usn uss ust usu uta utc utd ute utn uts utt utu uua uuc uue uun uus uut uuu