a-a a-c a-t aaa aac aad aan aao aas aat aau ac- aca acc acd acn aco acs act acu ad- ada adc add adn ado ads adt adu an- ana anc and ann ano ans ant anu aoa aoc aod aon aoo aos aot aou as- asa asc asd asn aso ass ast asu at- ata atc atd atn ato ats att atu au- aua auc aud aun auo aus aut c-- caa cac cad can cao cas cat cau cca ccc ccd ccn cco ccs cct ccu cda cdc cdd cdn cdo cds cdt cdu cn- cna cnc cnd cnn cno cns cnt cnu co- coa coc cod con coo cos cot cou csa csc csd csn cso css cst csu cta ctc ctd ctn cto cts ctt ctu cua cuc cud cun cuo cus cut cuu daa dac dad dan dao das dat dau dca dcc dcd dcn dco dcs dct dcu dda ddc ddd ddn ddo dds ddt ddu dna dnc dnd dnn dno dns dnt doa doc dod don doo dos dot dou dsa dsc dsd dsn dso dss dst dsu dta dtc dtd dtn dto dts dtt dtu dua duc dud dun duo dus dut naa nac nad nan nao nas nat nau nca ncc ncd ncn nco ncs nct ncu nda ndc ndd ndn ndo nds ndt ndu nna nnc nnn nno nns nnt nnu no- noa noc nod non noo nos not nou nsa nsc nsd nsn nso nss nst nsu nta ntc ntd ntn nto nts ntt ntu nua nuc nud nun nuo nus nut nuu oaa oac oad oan oao oas oat oau oc- oca occ ocd ocn oco ocs oct ocu oda odc odd odn odo ods odt odu on- ona onc ond onn ono ons ont onu oo- ooa ooc ood oon ooo oos oot os- osa osc osd osn oso oss ost osu ot- ota otc otd otn oto ots ott otu ou- oua ouc oud oun ouo ous out saa sac sad san sao sas sat sau sca scc scd scn sco scs sct scu sda sdc sdd sdn sdo sds sdt sdu sna snc snd snn sno sns snt snu soa soc sod son soo sos sot sou ss- ssa ssc ssd ssn sso sss sst ssu sta stc std stn sto sts stt stu sua suc sud sun suo sus sut suu taa tac tad tan tao tas tat tau tca tcc tcd tcn tco tcs tct tcu tda tdc tdd tdn tdo tds tdt tdu tna tnc tnd tnn tno tns tnt to- toa toc tod ton too tos tot tou tsa tsc tsd tsn tso tss tst tsu tta ttc ttd ttn tto tts ttt ttu tua tuc tud tun tuo tus tut tuu ua- uaa uac uad uan uao uas uat uau uca ucc ucd ucn uco ucs uct ucu uda udc udd udn udo uds udt udu un- una unc und unn uno uns unt unu uoa uoc uod uon uoo uos uot usa usc usd usn uso uss ust usu uta utc utd utn uto uts utt utu uua uuc uun uus uut uuu