-er -th a-a a-c a-t aaa aac aae aag aah aan aao aar aas aat ac- aca acc ace acg ach acn aco acr acs act aea aec aee aeg aeh aen aeo aer aes aet ag- aga agc age agg agh agn ago agr ags agt aha ahc ahe ahg ahh ahn aho ahr ahs aht an- ana anc ane ang anh ann ano anr ans ant aoa aoc aoe aog aoh aon aoo aor aos aot ar- ara arc are arg arh arn aro arr ars art as- asa asc ase asg ash asn aso asr ass ast at- ata atc ate atg ath atn ato atr ats att c-- caa cac cae cag cah can cao car cas cat cca ccc cce ccg cch ccn cco ccr ccs cct ce- cea cec cee ceg ceh cen ceo cer ces cet cga cgc cge cgg cgh cgn cgo cgr cgs cgt ch- cha chc che chg chh chn cho chr chs cht cn- cna cnc cne cng cnh cnn cno cnr cns cnt co- coa coc coe cog coh con coo cor cos cot cra crc cre crg crh crn cro crr crs crt csa csc cse csg csh csn cso csr css cst cta ctc cte ctg cth ctn cto ctr cts ctt eaa eac eae eag eah ean eao ear eas eat ec- eca ecc ece ecg ech ecn eco ecr ecs ect eea eec eee eeg een eeo eer ees eet ega egc ege egg egh egn ego egr egs egt eha ehc ehe ehg ehh ehn eho ehr ehs eht en- ena enc ene eng enh enn eno enr ens ent eo- eoa eoc eoe eog eoh eon eoo eor eos eot era erc ere erg erh ern ero err ers ert es- esa esc ese esg esh esn eso esr ess est eta etc ete etg eth etn eto etr ets ett gaa gac gae gag gah gan gao gar gas gat gca gcc gce gcg gch gcn gco gcr gcs gct ge- gea gec gee geg geh gen geo ger ges get gga ggc ggg ggh ggn ggo ggr ggs ggt gha ghc ghe ghg ghh ghn gho ghr ghs ght gna gnc gne gnn gno gnr gns gnt goa goc goe gog goh gon goo gor gos got gra grc gre grg grh grn gro grr grs grt gsa gsc gse gsg gsn gso gsr gss gst gta gtc gte gtg gth gtn gto gtr gts gtt haa hac hae hag hah han hao har has hat hca hcc hce hcg hch hcn hco hcr hcs hct he- hea hec hee heg heh hen heo her hes het hga hgc hge hgg hgh hgn hgo hgr hgs hgt hha hhc hhe hhg hhh hhn hho hhr hhs hht hna hnc hne hng hnh hnn hno hns hnt hoa hoc hoe hog hoh hon hoo hor hos hot hr- hra hrc hre hrg hrh hrn hro hrr hrs hrt hsa hsc hse hsg hsh hsn hsr hss hst hta htc hte htg hth htn hto htr hts htt naa nac nae nag nah nan nao nar nas nat nca ncc nce ncg nch ncn nco ncr ncs nct ne- nea nec nee neg neh nen neo ner nes net nga ngc nge ngg ngh ngn ngo ngs ngt nha nhc nhe nhg nhh nhn nhr nhs nht nna nnc nne nng nnh nnn nno nns nnt no- noa noc noe nog noh non noo nor nos not nra nrc nre nrg nrn nro nrr nrs nrt nsa nsc nse nsg nsh nsn nso nsr nss nst nta ntc nte ntg nth ntn nto ntr nts ntt oaa oac oae oag oah oan oao oar oas oat oc- oca occ ocg och ocn oco ocr ocs oct oea oec oee oeg oeh oen oeo oer oes oet oga ogc oge ogg ogh ogn ogo ogs ogt oha ohc ohe ohg ohh ohn oho ohr ohs oht on- ona onc one ong onh onn ono onr ons ont oo- ooa ooc oog ooh oon ooo oor oos oot or- ora orc ore org orh orn oro orr ors ort os- osa osc ose osg osh osn oso osr oss ost ot- ota otc ote otg oth otn oto otr ots ott ra- raa rac rae rag rah ran rao rar ras rat rca rcc rce rcg rch rcn rco rcr rcs rct re- rea rec ree reg reh ren reo rer res ret rga rgc rge rgg rgh rgn rgo rgr rgs rgt rh- rha rhc rhe rhg rhh rhn rho rhr rhs rht rna rnc rng rnh rnn rno rnr rns rnt roa roc roe rog roh ron roo ror ros rot rra rrc rrg rrh rrn rrr rrs rrt rsa rsc rse rsg rsh rsn rso rsr rss rst rta rtc rte rtg rtn rto rtr rts rtt saa sac sae sag sah san sao sar sas sat sca scc sce scg sch scn sco scr scs sct se- sea sec see seg seh sen seo ser ses set sga sgc sge sgg sgh sgn sgo sgr sgs sgt sh- sha shc she shg shh shn sho shr shs sht sna snc sne sng snn sno snr sns snt soa soc soe sog soh son soo sor sos sot sr- sra src sre srg srh srn sro srr srs srt ss- ssa ssc sse ssg ssh ssn sso ssr sss sst sta stc ste stg sth stn sto str sts stt taa tac tae tag tah tan tao tar tas tat tca tcc tce tcg tch tcn tco tcr tcs tct te- tea tec tee teg teh ten teo ter tes tet tga tgc tge tgg tgh tgn tgo tgr tgs tgt th- tha thc the thg thh thn tho thr ths tht tna tnc tne tng tnh tnn tno tnr tns tnt to- toa toc toe tog toh ton too tor tos tot tra trc tre trg trh trn tro trr