-er a-a a-c a-t aaa aac aad aae aag aao aar aas aat aau ac- aca acc acd ace acg aco acr acs act acu ad- ada adc add ade adg ado adr ads adt adu aea aec aed aee aeg aeo aer aes aet aeu ag- aga agc agd age agg ago agr ags agt agu aoa aoc aod aoe aog aoo aor aos aot aou ar- ara arc ard are arg aro arr ars art aru as- asa asc asd ase asg aso asr ass ast asu at- ata atc atd ate atg ato atr ats att atu au- aua auc aud aue aug auo aur aus aut c-- caa cac cad cae cag cao car cas cat cau cca ccc ccd cce ccg cco ccr ccs cct ccu cda cdc cdd cde cdg cdo cdr cds cdt cdu ce- cea cec ced cee ceg ceo cer ces cet ceu cga cgc cgd cge cgg cgo cgr cgs cgt cgu co- coa coc cod coe cog coo cor cos cot cou cra crc crd cre crg cro crr crs crt cru csa csc csd cse csg cso csr css cst csu cta ctc ctd cte ctg cto ctr cts ctt ctu cua cuc cud cue cug cuo cur cus cut cuu daa dac dad dae dag dao dar das dat dau dca dcc dcd dce dcg dco dcr dcs dct dcu dda ddc ddd dde ddg ddo ddr dds ddt ddu de- dea dec ded dee deg deo der des det deu dga dgc dgd dge dgg dgr dgs dgt dgu doa doc dod doe dog doo dor dos dot dou dra drc drd dre drg dro drr drs drt dru dsa dsc dsd dse dsg dso dsr dss dst dsu dta dtc dtd dte dtg dto dtr dts dtt dtu dua duc dud due dug duo dur dus dut eaa eac ead eae eag eao ear eas eat eau ec- eca ecc ecd ece ecg eco ecr ecs ect ecu ed- eda edc edd ede edg edo edr eds edt edu eea eec eed eee eeg eeo eer ees eet ega egc egd ege egg ego egr egs egt egu eo- eoa eoc eod eoe eog eoo eor eos eot eou era erc erd ere erg ero err ers ert eru es- esa esc esd ese esg eso esr ess est esu eta etc etd ete etg eto etr ets ett etu eu- eua euc eud eue eug eur eus eut g-d gaa gac gad gae gag gao gar gas gat gau gca gcc gcd gce gcg gco gcr gcs gct gcu gda gdc gdd gde gdo gdr gds gdt gdu ge- gea gec ged gee geg geo ger ges get geu gga ggc ggd ggg ggo ggr ggs ggt ggu goa goc god goe gog goo gor gos got gou gra grc grd gre grg gro grr grs grt gru gsa gsc gsd gse gsg gso gsr gss gst gsu gta gtc gtd gte gtg gto gtr gts gtt gtu gu- gua guc gud gue gug guo gur gus gut guu oaa oac oad oae oag oao oar oas oat oau oc- oca occ ocd ocg oco ocr ocs oct ocu oda odc odd ode odg odo odr ods odt odu oea oec oed oee oeg oeo oer oes oet oga ogc ogd oge ogg ogo ogs ogt oo- ooa ooc ood oog ooo oor oos oot or- ora orc ord ore org oro orr ors ort oru os- osa osc osd ose osg oso osr oss ost osu ot- ota otc otd ote otg oto otr ots ott otu ou- oua ouc oud oue ouo our ous out ra- raa rac rad rae rag rao rar ras rat rau rca rcc rcd rce rcg rco rcr rcs rct rcu rda rdc rdd rde rdg rdo rdr rds rdt rdu re- rea rec red ree reg reo rer res ret reu rga rgc rgd rge rgg rgo rgr rgs rgt roa roc rod roe rog roo ror ros rot rou rra rrc rrd rrg rrr rrs rrt rru rsa rsc rsd rse rsg rso rsr rss rst rsu rta rtc rtd rte rtg rto rtr rts rtt rtu rua ruc rud rue rug ruo rur rus rut ruu saa sac sad sae sag sao sar sas sat sau sca scc scd sce scg sco scr scs sct scu sda sdc sdd sde sdg sdo sdr sds sdt sdu se- sea sec sed see seg seo ser ses set seu sga sgc sgd sge sgg sgo sgr sgs sgt sgu soa soc sod soe sog soo sor sos sot sou sr- sra src srd sre srg sro srr srs srt ss- ssa ssc ssd sse ssg sso ssr sss sst ssu sta stc std ste stg sto str sts stt stu sua suc sud sue sug suo sur sus sut suu taa tac tad tae tag tao tar tas tat tau tca tcc tcd tce tcg tco tcr tcs tct tcu tda tdc tdd tde tdg tdo tdr tds tdt tdu te- tea tec ted tee teg teo ter tes tet teu tga tgc tge tgg tgo tgr tgs tgt tgu to- toa toc tod toe tog too tor tos tot tou tra trc trd tre trg tro trr trs trt tru tsa tsc tsd tse tsg tso tsr tss tst tsu tta ttc ttd tte ttg tto ttr tts ttt ttu tua tuc tud tue tug tuo tur tus tut tuu ua- uaa uac uad uae uag uao uar uas uat uau uca ucc ucd uce ucg uco ucr ucs uct ucu uda udc udd ude udg udo udr uds udt udu uea uec ued uee ueg uer ues uet uga ugc uge ugg ugo ugr ugs ugt ugu uoa uoc uod uoe uog uoo uor uos uot ur- ura urc urd ure urg uro urr urs urt uru usa usc usd use usg uso usr uss ust usu uta utc utd ute uto utr uts