-er -th a-a a-c a-t aaa aac aae aag aah aam aar aas aat ac- aca acc ace acg ach acm acr acs act aea aec aee aeg aeh aem aer aes aet ag- aga agc age agg agh agm agr ags agt aha ahc ahe ahg ahh ahm ahr ahs aht ama amc ame amg amh amm amr ams amt ar- ara arc are arg arh arm arr ars art as- asa asc ase asg ash asm asr ass ast at- ata atc ate atg ath atm atr ats att c-- caa cac cae cag cah cam car cas cat cca ccc cce ccg cch ccm ccr ccs cct ce- cea cec cee ceg ceh cem cer ces cet cga cgc cge cgg cgh cgm cgr cgs cgt ch- cha chc che chg chh chm chr chs cht cma cmc cme cmg cmh cmm cmr cms cmt cra crc cre crg crh crm crr crs crt csa csc cse csg csh csm csr css cst cta ctc cte ctg cth ctm ctr cts ctt eaa eac eae eag eah eam ear eas eat ec- eca ecc ece ecg ech ecm ecr ecs ect eea eec eee eeg eem eer ees eet ega egc ege egg egh egm egr egs egt eha ehc ehe ehg ehh ehm ehr ehs eht em- ema emc eme emg emh emm emr ems emt era erc ere erg erh erm err ers ert es- esa esc ese esg esh esm esr ess est eta etc ete etg eth etm etr ets ett gaa gac gae gag gah gam gar gas gat gca gcc gce gcg gch gcm gcr gcs gct ge- gea gec gee geg geh gem ger ges get gga ggc ggg ggh ggm ggr ggs ggt gha ghc ghe ghg ghh ghr ghs ght gma gmc gme gmg gmh gmm gmr gms gmt gra grc gre grg grh grm grr grs grt gsa gsc gse gsg gsm gsr gss gst gta gtc gte gtg gth gtm gtr gts gtt haa hac hae hag hah ham har has hat hca hcc hce hcg hch hcm hcr hcs hct he- hea hec hee heg heh hem her hes het hga hgc hge hgg hgh hgm hgr hgs hgt hha hhc hhe hhg hhh hhm hhr hhs hht hma hmc hme hmg hmh hmm hmr hms hmt hr- hra hrc hre hrg hrh hrm hrr hrs hrt hsa hsc hse hsg hsh hsm hsr hss hst hta htc hte htg hth htm htr hts htt m-r maa mac mae mag mah mam mar mas mat mc- mca mcc mce mcg mch mcm mcr mcs mct mea mec mee meg meh mem mer mes met mga mgc mge mgh mgm mgr mgs mgt mha mhc mhg mhh mhm mhr mhs mht mma mmc mme mmg mmh mmm mmr mms mmt mra mrc mre mrg mrh mrm mrr mrs mrt msa msc mse msg msh msm msr mss mst mta mtc mte mtg mth mtm mtr mts mtt ra- raa rac rae rag rah ram rar ras rat rca rcc rce rcg rch rcm rcr rcs rct re- rea rec ree reg reh rem rer res ret rga rgc rge rgg rgh rgr rgs rgt rh- rha rhc rhe rhg rhh rhm rhr rhs rht rma rmc rme rmg rmh rmm rmr rms rmt rra rrc rrg rrh rrm rrr rrs rrt rsa rsc rse rsg rsh rsm rsr rss rst rta rtc rte rtg rtm rtr rts rtt saa sac sae sag sah sam sar sas sat sca scc sce scg sch scm scr scs sct se- sea sec see seg seh sem ser ses set sga sgc sge sgg sgh sgm sgr sgs sgt sh- sha shc she shg shh shm shr shs sht sma smc sme smg smh smm smr sms smt sr- sra src sre srg srh srm srr srs srt ss- ssa ssc sse ssg ssh ssm ssr sss sst sta stc ste stg sth stm str sts stt taa tac tae tag tah tam tar tas tat tca tcc tce tcg tch tcm tcr tcs tct te- tea tec tee teg teh tem ter tes tet tga tgc tge tgg tgh tgm tgr tgs tgt th- tha thc the thg thh thm thr ths tht tma tmc tme tmg tmh tmm tmr tms tmt tra trc tre trg trh trm trr trs trt tsa tsc tse tsg tsh tsm tsr tss tst tta ttc tte ttg tth ttm ttr tts ttt