a-a a-c a-t aaa aac aae aan aao aas aat aau ac- aca acc ace acn aco acs act acu aea aec aee aen aeo aes aet aeu an- ana anc ane ann ano ans ant anu aoa aoc aoe aon aoo aos aot aou as- asa asc ase asn aso ass ast asu at- ata atc ate atn ato ats att atu au- aua auc aue aun auo aus aut c-- caa cac cae can cao cas cat cau cca ccc cce ccn cco ccs cct ccu ce- cea cec cee cen ceo ces cet ceu cn- cna cnc cne cnn cno cns cnt cnu co- coa coc coe con coo cos cot cou csa csc cse csn cso css cst csu cta ctc cte ctn cto cts ctt ctu cua cuc cue cun cuo cus cut cuu eaa eac eae ean eao eas eat eau ec- eca ecc ece ecn eco ecs ect ecu eea eec eee een eeo ees eet en- ena enc ene enn eno ens ent enu eo- eoa eoc eoe eon eoo eos eot eou es- esa esc ese esn eso ess est esu eta etc ete etn eto ets ett etu eu- eua euc eue eun eus eut naa nac nae nan nao nas nat nau nca ncc nce ncn nco ncs nct ncu ne- nea nec nee nen neo nes net neu nna nnc nne nnn nno nns nnt nnu no- noa noc noe non noo nos not nou nsa nsc nse nsn nso nss nst nsu nta ntc nte ntn nto nts ntt ntu nua nuc nue nun nuo nus nut nuu oaa oac oae oan oao oas oat oau oc- oca occ ocn oco ocs oct ocu oea oec oee oen oeo oes oet on- ona onc one onn ono ons ont onu oo- ooa ooc oon ooo oos oot os- osa osc ose osn oso oss ost osu ot- ota otc ote otn oto ots ott otu ou- oua ouc oue oun ouo ous out saa sac sae san sao sas sat sau sca scc sce scn sco scs sct scu se- sea sec see sen seo ses set seu sna snc sne snn sno sns snt snu soa soc soe son soo sos sot sou ss- ssa ssc sse ssn sso sss sst ssu sta stc ste stn sto sts stt stu sua suc sue sun suo sus sut suu taa tac tae tan tao tas tat tau tca tcc tce tcn tco tcs tct tcu te- tea tec tee ten teo tes tet teu tna tnc tne tnn tno tns tnt to- toa toc toe ton too tos tot tou tsa tsc tse tsn tso tss tst tsu tta ttc tte ttn tto tts ttt ttu tua tuc tue tun tuo tus tut tuu ua- uaa uac uae uan uao uas uat uau uca ucc uce ucn uco ucs uct ucu uea uec uee uen ues uet un- una unc une unn uno uns unt unu uoa uoc uoe uon uoo uos uot usa usc use usn uso uss ust usu uta utc ute utn uto uts utt utu uua uuc uue uun uus uut uuu