a-a a-c a-t aaa aac aad aan aao aar aas aat aau ac- aca acc acd acn aco acr acs act acu ad- ada adc add adn ado adr ads adt adu an- ana anc and ann ano anr ans ant anu aoa aoc aod aon aoo aor aos aot aou ar- ara arc ard arn aro arr ars art aru as- asa asc asd asn aso asr ass ast asu at- ata atc atd atn ato atr ats att atu au- aua auc aud aun auo aur aus aut c-- caa cac cad can cao car cas cat cau cca ccc ccd ccn cco ccr ccs cct ccu cda cdc cdd cdn cdo cdr cds cdt cdu cn- cna cnc cnd cnn cno cnr cns cnt cnu co- coa coc cod con coo cor cos cot cou cra crc crd crn cro crr crs crt cru csa csc csd csn cso csr css cst csu cta ctc ctd ctn cto ctr cts ctt ctu cua cuc cud cun cuo cur cus cut cuu daa dac dad dan dao dar das dat dau dca dcc dcd dcn dco dcr dcs dct dcu dda ddc ddd ddn ddo ddr dds ddt ddu dna dnc dnd dnn dno dnr dns dnt doa doc dod don doo dor dos dot dou dra drc drd drn dro drr drs drt dru dsa dsc dsd dsn dso dsr dss dst dsu dta dtc dtd dtn dto dtr dts dtt dtu dua duc dud dun duo dur dus dut naa nac nad nan nao nar nas nat nau nca ncc ncd ncn nco ncr ncs nct ncu nda ndc ndd ndn ndo ndr nds ndt ndu nna nnc nnn nno nns nnt nnu no- noa noc nod non noo nor nos not nou nra nrc nrd nrn nro nrr nrs nrt nru nsa nsc nsd nsn nso nsr nss nst nsu nta ntc ntd ntn nto ntr nts ntt ntu nua nuc nud nun nuo nur nus nut nuu oaa oac oad oan oao oar oas oat oau oc- oca occ ocd ocn oco ocr ocs oct ocu oda odc odd odn odo odr ods odt odu on- ona onc ond onn ono onr ons ont onu oo- ooa ooc ood oon ooo oor oos oot or- ora orc ord orn oro orr ors ort oru os- osa osc osd osn oso osr oss ost osu ot- ota otc otd otn oto otr ots ott otu ou- oua ouc oud oun ouo our ous out ra- raa rac rad ran rao rar ras rat rau rca rcc rcd rcn rco rcr rcs rct rcu rda rdc rdd rdn rdo rdr rds rdt rdu rna rnc rnd rnn rno rnr rns rnt rnu roa roc rod ron roo ror ros rot rou rra rrc rrd rrn rrr rrs rrt rru rsa rsc rsd rsn rso rsr rss rst rsu rta rtc rtd rtn rto rtr rts rtt rtu rua ruc rud run ruo rur rus rut ruu saa sac sad san sao sar sas sat sau sca scc scd scn sco scr scs sct scu sda sdc sdd sdn sdo sdr sds sdt sdu sna snc snd snn sno snr sns snt snu soa soc sod son soo sor sos sot sou sr- sra src srd srn sro srr srs srt ss- ssa ssc ssd ssn sso ssr sss sst ssu sta stc std stn sto str sts stt stu sua suc sud sun suo sur sus sut suu taa tac tad tan tao tar tas tat tau tca tcc tcd tcn tco tcr tcs tct tcu tda tdc tdd tdn tdo tdr tds tdt tdu tna tnc tnd tnn tno tnr tns tnt to- toa toc tod ton too tor tos tot tou tra trc trd trn tro trr trs trt tru tsa tsc tsd tsn tso tsr tss tst tsu tta ttc ttd ttn tto ttr tts ttt ttu tua tuc tud tun tuo tur tus tut tuu ua- uaa uac uad uan uao uar uas uat uau uca ucc ucd ucn uco ucr ucs uct ucu uda udc udd udn udo udr uds udt udu un- una unc und unn uno unr uns unt unu uoa uoc uod uon uoo uor uos uot ur- ura urc urd urn uro urr urs urt uru usa usc usd usn uso usr uss ust usu uta utc utd utn uto utr uts utt utu uua uuc uun uur uus uut uuu