-er -th a-a a-c a-t aaa aac aae aag aah aao aap aar aas aat ac- aca acc ace acg ach aco acp acr acs act aea aec aee aeg aeh aeo aep aer aes aet ag- aga agc age agg agh ago agp agr ags agt aha ahc ahe ahg ahh aho ahp ahr ahs aht aoa aoc aoe aog aoh aoo aop aor aos aot ap- apa apc ape apg aph apo app apr aps apt ar- ara arc are arg arh aro arp arr ars art as- asa asc ase asg ash aso asp asr ass ast at- ata atc ate atg ath ato atp atr ats att c-- caa cac cae cag cah cao cap car cas cat cca ccc cce ccg cch cco ccp ccr ccs cct ce- cea cec cee ceg ceh ceo cep cer ces cet cga cgc cge cgg cgh cgo cgp cgr cgs cgt ch- cha chc che chg chh cho chp chr chs cht co- coa coc coe cog coh coo cop cor cos cot cpa cpc cpe cpg cph cpo cpp cpr cps cpt cra crc cre crg crh cro crp crr crs crt csa csc cse csg csh cso csp csr css cst cta ctc cte ctg cth cto ctp ctr cts ctt eaa eac eae eag eah eao eap ear eas eat ec- eca ecc ece ecg ech eco ecr ecs ect eea eec eee eeg eeo eep eer ees eet ega egc ege egg egh ego egp egr egs egt eha ehc ehe ehg ehh eho ehp ehr ehs eht eo- eoa eoc eoe eog eoh eoo eop eor eos eot ep- epa epc epe epg eph epo epp epr eps ept era erc ere erg erh ero erp err ers ert es- esa esc ese esg esh eso esp esr ess est eta etc ete etg eth eto etp etr ets ett g-p gaa gac gae gag gah gao gap gar gas gat gca gcc gce gcg gch gco gcp gcr gcs gct ge- gea gec gee geg geh geo gep ger ges get gga ggc ggg ggh ggo ggp ggr ggs ggt gha ghc ghe ghg ghh gho ghp ghr ghs ght goa goc goe gog goh goo gop gor gos got gpa gpc gpe gpg gph gpo gpp gpr gps gpt gra grc gre grg grh gro grp grr grs grt gsa gsc gse gsg gso gsp gsr gss gst gta gtc gte gtg gth gto gtp gtr gts gtt haa hac hae hag hah hao hap har has hat hca hcc hce hcg hch hco hcp hcr hcs hct he- hea hec hee heg heh heo hep her hes het hga hgc hge hgg hgh hgo hgp hgr hgs hgt hha hhc hhe hhg hhh hho hhp hhr hhs hht hoa hoc hoe hog hoh hoo hop hor hos hot hpa hpc hpe hpg hph hpo hpp hpr hps hpt hr- hra hrc hre hrg hrh hro hrp hrr hrs hrt hsa hsc hse hsg hsh hsp hsr hss hst hta htc hte htg hth hto htp htr hts htt oaa oac oae oag oah oao oap oar oas oat oc- oca occ ocg och oco ocp ocr ocs oct oea oec oee oeg oeh oeo oep oer oes oet oga ogc oge ogg ogh ogo ogp ogs ogt oha ohc ohe ohg ohh oho ohp ohr ohs oht oo- ooa ooc oog ooh ooo oop oor oos oot op- opa opc ope opg oph opo opp opr ops opt or- ora orc ore org orh oro orp orr ors ort os- osa osc ose osg osh oso osp osr oss ost ot- ota otc ote otg oth oto otp otr ots ott p-p paa pac pae pag pah pao pap par pas pat pca pcc pce pcg pch pco pcp pcr pcs pct pea pec pee peg peh peo pep per pes pet pga pgc pge pgg pgh pgo pgp pgr pgs pgt pha phc phe phg pho php phr phs pht poa poc poe pog poh poo pop por pos pot ppa ppc ppe ppg pph ppo ppp ppr pps ppt pra prc pre prg prh pro prp prr prs prt ps- psa psc pse psg psh pso psp psr pss pst pt- pta ptc pte ptg pth pto ptp ptr pts ptt ra- raa rac rae rag rah rao rap rar ras rat rca rcc rce rcg rch rco rcp rcr rcs rct re- rea rec ree reg reh reo rep rer res ret rga rgc rge rgg rgh rgo rgp rgr rgs rgt rh- rha rhc rhe rhg rhh rho rhp rhr rhs rht roa roc roe rog roh roo rop ror ros rot rpa rpc rpe rpg rph rpo rpp rpr rps rpt rra rrc rrg rrh rrp rrr rrs rrt rsa rsc rse rsg rsh rso rsp rsr rss rst rta rtc rte rtg rto rtp rtr rts rtt saa sac sae sag sah sao sap sar sas sat sca scc sce scg sch sco scp scr scs sct se- sea sec see seg seh seo sep ser ses set sga sgc sge sgg sgh sgo sgp sgr sgs sgt sh- sha shc she shg shh sho shp shr shs sht soa soc soe sog soh soo sop sor sos sot spa spc spe spg sph spo spp spr sps spt sr- sra src sre srg srh sro srp srr srs srt ss- ssa ssc sse ssg ssh sso ssp ssr sss sst sta stc ste stg sth sto stp str sts stt taa tac tae tag tah tao tap tar tas tat tca tcc tce tcg tch tco tcp tcr tcs tct te- tea tec tee teg teh teo tep ter tes tet tga tgc tge tgg tgh tgo tgp tgr tgs tgt th- tha thc the thg thh tho thp thr ths tht to- toa toc toe tog toh too top tor tos tot tpa tpc tpe tpg tph tpo tpp tpr tps tpt