a-a a-c a-t aaa aac aad aae aaf aan aas aat aau ac- aca acc acd ace acf acn acs act acu ad- ada adc add ade adf adn ads adt adu aea aec aed aee aef aen aes aet aeu af- afa afc afd afe aff afn afs aft afu an- ana anc and ane anf ann ans ant anu as- asa asc asd ase asf asn ass ast asu at- ata atc atd ate atf atn ats att atu au- aua auc aud aue auf aun aus aut c-- caa cac cad cae caf can cas cat cau cca ccc ccd cce ccf ccn ccs cct ccu cda cdc cdd cde cdf cdn cds cdt cdu ce- cea cec ced cee cef cen ces cet ceu cfa cfc cfd cfe cff cfn cfs cft cfu cn- cna cnc cnd cne cnf cnn cns cnt cnu csa csc csd cse csf csn css cst csu cta ctc ctd cte ctf ctn cts ctt ctu cua cuc cud cue cuf cun cus cut cuu daa dac dad dae daf dan das dat dau dca dcc dcd dce dcf dcn dcs dct dcu dda ddc ddd dde ddf ddn dds ddt ddu de- dea dec ded dee def den des det deu dfa dfc dfd dfe dff dfn dfs dft dfu dna dnc dnd dne dnf dnn dns dnt dsa dsc dsd dse dsf dsn dss dst dsu dta dtc dtd dte dtf dtn dts dtt dtu dua duc dud due duf dun dus dut eaa eac ead eae eaf ean eas eat eau ec- eca ecc ecd ece ecf ecn ecs ect ecu ed- eda edc edd ede edf edn eds edt edu eea eec eed eee eef een ees eet ef- efa efc efd efe eff efs eft en- ena enc end ene enf enn ens ent enu es- esa esc esd ese esf esn ess est esu eta etc etd ete etf etn ets ett etu eu- eua euc eud eue euf eun eus eut faa fac fad fae faf fan fas fat fau fca fcc fcd fce fcf fcn fcs fct fcu fda fdc fdd fde fdf fdn fds fdt fdu fea fec fed fee fef fen fes fet feu ffa ffc ffd ffe fff ffn ffs fft ffu fna fnc fnd fne fnf fnn fns fnt fnu fsa fsc fsd fse fsf fsn fss fst fsu fta ftc ftd fte ftf ftn fts ftt ftu fua fud fue fuf fun fus fut fuu naa nac nad nae naf nan nas nat nau nca ncc ncd nce ncf ncn ncs nct ncu nda ndc ndd nde ndf ndn nds ndt ndu ne- nea nec ned nee nef nen nes net neu nfa nfc nfd nfe nff nfn nfs nft nfu nna nnc nne nnf nnn nns nnt nnu nsa nsc nsd nse nsf nsn nss nst nsu nta ntc ntd nte ntf ntn nts ntt ntu nua nuc nud nue nun nus nut nuu saa sac sad sae saf san sas sat sau sca scc scd sce scf scn scs sct scu sda sdc sdd sde sdf sdn sds sdt sdu se- sea sec sed see sef sen ses set seu sfa sfc sfd sfe sff sfn sfs sft sfu sna snc snd sne snf snn sns snt snu ss- ssa ssc ssd sse ssf ssn sss sst ssu sta stc std ste stf stn sts stt stu sua suc sud sue suf sun sus sut suu taa tac tad tae taf tan tas tat tau tca tcc tcd tce tcf tcn tcs tct tcu tda tdc tdd tde tdf tdn tds tdt tdu te- tea tec ted tee tef ten tes tet teu tfa tfc tfd tfe tff tfn tfs tft tfu tna tnc tnd tne tnf tnn tns tnt tsa tsc tsd tse tsf tsn tss tst tsu tta ttc ttd tte ttf ttn tts ttt ttu tua tuc tud tue tuf tun tus tut tuu ua- uaa uac uad uae uaf uan uas uat uau uca ucc ucd uce ucf ucn ucs uct ucu uda udc udd ude udf udn uds udt udu uea uec ued uee uef uen ues uet ufa ufc ufd ufe uff ufn ufs uft ufu un- una unc und une unf unn uns unt unu usa usc usd use usf usn uss ust usu uta utc utd ute utf utn uts utt utu uua uuc uue uun uus uut uuu