a-a a-c a-t aaa aac aad aao aar aas aat aau ac- aca acc acd aco acr acs act acu ad- ada adc add ado adr ads adt adu aoa aoc aod aoo aor aos aot aou ar- ara arc ard aro arr ars art aru as- asa asc asd aso asr ass ast asu at- ata atc atd ato atr ats att atu au- aua auc aud auo aur aus aut c-- caa cac cad cao car cas cat cau cca ccc ccd cco ccr ccs cct ccu cda cdc cdd cdo cdr cds cdt cdu co- coa coc cod coo cor cos cot cou cra crc crd cro crr crs crt cru csa csc csd cso csr css cst csu cta ctc ctd cto ctr cts ctt ctu cua cuc cud cuo cur cus cut cuu daa dac dad dao dar das dat dau dca dcc dcd dco dcr dcs dct dcu dda ddc ddd ddo ddr dds ddt ddu doa doc dod doo dor dos dot dou dra drc drd dro drr drs drt dru dsa dsc dsd dso dsr dss dst dsu dta dtc dtd dto dtr dts dtt dtu dua duc dud duo dur dus dut oaa oac oad oao oar oas oat oau oc- oca occ ocd oco ocr ocs oct ocu oda odc odd odo odr ods odt odu oo- ooa ooc ood ooo oor oos oot or- ora orc ord oro orr ors ort oru os- osa osc osd oso osr oss ost osu ot- ota otc otd oto otr ots ott otu ou- oua ouc oud ouo our ous out ra- raa rac rad rao rar ras rat rau rca rcc rcd rco rcr rcs rct rcu rda rdc rdd rdo rdr rds rdt rdu roa roc rod roo ror ros rot rou rra rrc rrd rrr rrs rrt rru rsa rsc rsd rso rsr rss rst rsu rta rtc rtd rto rtr rts rtt rtu rua ruc rud ruo rur rus rut ruu saa sac sad sao sar sas sat sau sca scc scd sco scr scs sct scu sda sdc sdd sdo sdr sds sdt sdu soa soc sod soo sor sos sot sou sr- sra src srd sro srr srs srt ss- ssa ssc ssd sso ssr sss sst ssu sta stc std sto str sts stt stu sua suc sud suo sur sus sut suu taa tac tad tao tar tas tat tau tca tcc tcd tco tcr tcs tct tcu tda tdc tdd tdo tdr tds tdt tdu to- toa toc tod too tor tos tot tou tra trc trd tro trr trs trt tru tsa tsc tsd tso tsr tss tst tsu tta ttc ttd tto ttr tts ttt ttu tua tuc tud tuo tur tus tut tuu ua- uaa uac uad uao uar uas uat uau uca ucc ucd uco ucr ucs uct ucu uda udc udd udo udr uds udt udu uoa uoc uod uoo uor uos uot ur- ura urc urd uro urr urs urt uru usa usc usd uso usr uss ust usu uta utc utd uto utr uts utt utu uua uuc uur uus uut uuu