-er -th a-a a-c a-t aaa aac aad aae aag aah aao aar aas aat ac- aca acc acd ace acg ach aco acr acs act ad- ada adc add ade adg adh ado adr ads adt aea aec aed aee aeg aeh aeo aer aes aet ag- aga agc agd age agg agh ago agr ags agt aha ahc ahd ahe ahg ahh aho ahr ahs aht aoa aoc aod aoe aog aoh aoo aor aos aot ar- ara arc ard are arg arh aro arr ars art as- asa asc asd ase asg ash aso asr ass ast at- ata atc atd ate atg ath ato atr ats att c-- caa cac cad cae cag cah cao car cas cat cca ccc ccd cce ccg cch cco ccr ccs cct cda cdc cdd cde cdg cdh cdo cdr cds cdt ce- cea cec ced cee ceg ceh ceo cer ces cet cga cgc cgd cge cgg cgh cgo cgr cgs cgt ch- cha chc chd che chg chh cho chr chs cht co- coa coc cod coe cog coh coo cor cos cot cra crc crd cre crg crh cro crr crs crt csa csc csd cse csg csh cso csr css cst cta ctc ctd cte ctg cth cto ctr cts ctt daa dac dad dae dag dah dao dar das dat dca dcc dcd dce dcg dco dcr dcs dct dda ddc ddd dde ddg ddh ddo ddr dds ddt de- dea dec ded dee deg deh deo der des det dga dgc dgd dge dgg dgh dgr dgs dgt dh- dha dhc dhd dhe dhh dho dhr dhs dht doa doc dod doe dog doh doo dor dos dot dra drc drd dre drg dro drr drs drt dsa dsc dsd dse dsg dsh dso dsr dss dst dta dtc dtd dte dtg dth dto dtr dts dtt eaa eac ead eae eag eah eao ear eas eat ec- eca ecc ecd ece ecg ech eco ecr ecs ect ed- eda edc edd ede edg edh edo edr eds edt eea eec eed eee eeg eeo eer ees eet ega egc egd ege egg egh ego egr egs egt eha ehc ehd ehe ehg ehh eho ehr ehs eht eo- eoa eoc eod eoe eog eoh eoo eor eos eot era erc erd ere erg erh ero err ers ert es- esa esc esd ese esg esh eso esr ess est eta etc etd ete etg eth eto etr ets ett g-d gaa gac gad gae gag gah gao gar gas gat gca gcc gcd gce gcg gch gco gcr gcs gct gda gdc gdd gde gdh gdo gdr gds gdt ge- gea gec ged gee geg geh geo ger ges get gga ggc ggd ggg ggh ggo ggr ggs ggt gha ghc ghd ghe ghg ghh gho ghr ghs ght goa goc god goe gog goh goo gor gos got gra grc grd gre grg grh gro grr grs grt gsa gsc gsd gse gsg gso gsr gss gst gta gtc gtd gte gtg gth gto gtr gts gtt haa hac had hae hag hah hao har has hat hca hcc hcd hce hcg hch hco hcr hcs hct hda hdc hdd hde hdg hdh hdo hdr hds hdt he- hea hec hed hee heg heh heo her hes het hga hgc hge hgg hgh hgo hgr hgs hgt hha hhc hhd hhe hhg hhh hho hhr hhs hht hoa hoc hod hoe hog hoh hoo hor hos hot hr- hra hrc hrd hre hrg hrh hro hrr hrs hrt hsa hsc hsd hse hsg hsh hsr hss hst hta htc htd hte htg hth hto htr hts htt oaa oac oad oae oag oah oao oar oas oat oc- oca occ ocd ocg och oco ocr ocs oct oda odc odd ode odg odh odo odr ods odt oea oec oed oee oeg oeh oeo oer oes oet oga ogc ogd oge ogg ogh ogo ogs ogt oha ohc ohd ohe ohg ohh oho ohr ohs oht oo- ooa ooc ood oog ooh ooo oor oos oot or- ora orc ord ore org orh oro orr ors ort os- osa osc osd ose osg osh oso osr oss ost ot- ota otc otd ote otg oth oto otr ots ott ra- raa rac rad rae rag rah rao rar ras rat rca rcc rcd rce rcg rch rco rcr rcs rct rda rdc rdd rde rdg rdh rdo rdr rds rdt re- rea rec red ree reg reh reo rer res ret rga rgc rgd rge rgg rgh rgo rgr rgs rgt rh- rha rhc rhd rhe rhg rhh rho rhr rhs rht roa roc rod roe rog roh roo ror ros rot rra rrc rrd rrg rrh rrr rrs rrt rsa rsc rsd rse rsg rsh rso rsr rss rst rta rtc rtd rte rtg rto rtr rts rtt saa sac sad sae sag sah sao sar sas sat sca scc scd sce scg sch sco scr scs sct sda sdc sdd sde sdg sdh sdo sdr sds sdt se- sea sec sed see seg seh seo ser ses set sga sgc sgd sge sgg sgh sgo sgr sgs sgt sh- sha shc shd she shg shh sho shr shs sht soa soc sod soe sog soh soo sor sos sot sr- sra src srd sre srg srh sro srr srs srt ss- ssa ssc ssd sse ssg ssh sso ssr sss sst sta stc std ste stg sth sto str sts stt taa tac tad tae tag tah tao tar tas tat tca tcc tcd tce tcg tch tco tcr tcs tct tda tdc tdd tde tdg tdh tdo tdr tds tdt te- tea tec ted tee teg teh teo ter tes tet tga tgc tge tgg tgh tgo tgr tgs tgt th- tha thc thd the thg thh tho thr ths tht to- toa toc tod toe tog toh too tor tos tot tra trc trd tre trg trh tro