a-a a-c a-t aaa aac aad aae aas aat aau ac- aca acc acd ace acs act acu ad- ada adc add ade ads adt adu aea aec aed aee aes aet aeu as- asa asc asd ase ass ast asu at- ata atc atd ate ats att atu au- aua auc aud aue aus aut c-- caa cac cad cae cas cat cau cca ccc ccd cce ccs cct ccu cda cdc cdd cde cds cdt cdu ce- cea cec ced cee ces cet ceu csa csc csd cse css cst csu cta ctc ctd cte cts ctt ctu cua cuc cud cue cus cut cuu daa dac dad dae das dat dau dca dcc dcd dce dcs dct dcu dda ddc ddd dde dds ddt ddu de- dea dec ded dee des det deu dsa dsc dsd dse dss dst dsu dta dtc dtd dte dts dtt dtu dua duc dud due dus dut eaa eac ead eae eas eat eau ec- eca ecc ecd ece ecs ect ecu ed- eda edc edd ede eds edt edu eea eec eed eee ees eet es- esa esc esd ese ess est esu eta etc etd ete ets ett etu eu- eua euc eud eue eus eut saa sac sad sae sas sat sau sca scc scd sce scs sct scu sda sdc sdd sde sds sdt sdu se- sea sec sed see ses set seu ss- ssa ssc ssd sse sss sst ssu sta stc std ste sts stt stu sua suc sud sue sus sut suu taa tac tad tae tas tat tau tca tcc tcd tce tcs tct tcu tda tdc tdd tde tds tdt tdu te- tea tec ted tee tes tet teu tsa tsc tsd tse tss tst tsu tta ttc ttd tte tts ttt ttu tua tuc tud tue tus tut tuu ua- uaa uac uad uae uas uat uau uca ucc ucd uce ucs uct ucu uda udc udd ude uds udt udu uea uec ued uee ues uet usa usc usd use uss ust usu uta utc utd ute uts utt utu uua uuc uue uus uut uuu