-er -th a-a a-c a-t aaa aac aae aaf aag aah aao aar aas aat ac- aca acc ace acf acg ach aco acr acs act aea aec aee aef aeg aeh aeo aer aes aet af- afa afc afe aff afg afh afo afr afs aft ag- aga agc age agf agg agh ago agr ags agt aha ahc ahe ahf ahg ahh aho ahr ahs aht aoa aoc aoe aof aog aoh aoo aor aos aot ar- ara arc are arf arg arh aro arr ars art as- asa asc ase asf asg ash aso asr ass ast at- ata atc ate atf atg ath ato atr ats att c-- caa cac cae caf cag cah cao car cas cat cca ccc cce ccf ccg cch cco ccr ccs cct ce- cea cec cee cef ceg ceh ceo cer ces cet cfa cfc cfe cff cfg cfh cfo cfr cfs cft cga cgc cge cgg cgh cgo cgr cgs cgt ch- cha chc che chf chg chh cho chr chs cht co- coa coc coe cof cog coh coo cor cos cot cra crc cre crf crg crh cro crr crs crt csa csc cse csf csg csh cso csr css cst cta ctc cte ctf ctg cth cto ctr cts ctt eaa eac eae eaf eag eah eao ear eas eat ec- eca ecc ece ecf ecg ech eco ecr ecs ect eea eec eee eef eeg eeo eer ees eet ef- efa efc efe eff efg efh efo efr efs eft ega egc ege egf egg egh ego egr egs egt eha ehc ehe ehf ehg ehh eho ehr ehs eht eo- eoa eoc eoe eof eog eoh eoo eor eos eot era erc ere erf erg erh ero err ers ert es- esa esc ese esf esg esh eso esr ess est eta etc ete etf etg eth eto etr ets ett faa fac fae faf fag fah fao far fas fat fca fcc fce fcf fcg fco fcr fcs fct fea fec fee fef feg feh feo fer fes fet ffa ffc ffe fff ffg ffh ffo ffr ffs fft fga fgc fge fgf fgg fgh fgr fgs fgt fha fhc fhe fhf fhg fhh fho fhr fhs foa foc foe fof fog foh foo for fos fot fra frc fre frf frg frh fro frr frs frt fsa fsc fse fsf fsg fsh fso fsr fss fst fta ftc fte ftf ftg fth fto ftr fts ftt gaa gac gae gaf gag gah gao gar gas gat gca gcc gce gcf gcg gch gco gcr gcs gct ge- gea gec gee gef geg geh geo ger ges get gfa gfc gfe gff gfh gfo gfr gfs gft gga ggc ggg ggh ggo ggr ggs ggt gha ghc ghe ghg ghh gho ghr ghs ght goa goc goe gof gog goh goo gor gos got gra grc gre grf grg grh gro grr grs grt gsa gsc gse gsf gsg gso gsr gss gst gta gtc gte gtf gtg gth gto gtr gts gtt haa hac hae haf hag hah hao har has hat hca hcc hce hcf hcg hch hco hcr hcs hct he- hea hec hee hef heg heh heo her hes het hfa hfc hfe hff hfg hfh hfo hfr hfs hft hga hgc hge hgf hgg hgh hgo hgr hgs hgt hha hhc hhe hhf hhg hhh hho hhr hhs hht hoa hoc hoe hof hog hoh hoo hor hos hot hr- hra hrc hre hrf hrg hrh hro hrr hrs hrt hsa hsc hse hsf hsg hsh hsr hss hst hta htc hte htf htg hth hto htr hts htt oaa oac oae oaf oag oah oao oar oas oat oc- oca occ ocf ocg och oco ocr ocs oct oea oec oee oef oeg oeh oeo oer oes oet of- ofa ofc ofe off ofg ofo ofr ofs oft oga ogc oge ogf ogg ogh ogo ogs ogt oha ohc ohe ohf ohg ohh oho ohr ohs oht oo- ooa ooc oof oog ooh ooo oor oos oot or- ora orc ore orf org orh oro orr ors ort os- osa osc ose osf osg osh oso osr oss ost ot- ota otc ote otf otg oth oto otr ots ott ra- raa rac rae raf rag rah rao rar ras rat rca rcc rce rcf rcg rch rco rcr rcs rct re- rea rec ree ref reg reh reo rer res ret rfa rfc rfe rff rfg rfh rfo rfr rfs rft rga rgc rge rgf rgg rgh rgo rgr rgs rgt rh- rha rhc rhe rhf rhg rhh rho rhr rhs rht roa roc roe rof rog roh roo ror ros rot rra rrc rrf rrg rrh rrr rrs rrt rsa rsc rse rsf rsg rsh rso rsr rss rst rta rtc rte rtf rtg rto rtr rts rtt saa sac sae saf sag sah sao sar sas sat sca scc sce scf scg sch sco scr scs sct se- sea sec see sef seg seh seo ser ses set sfa sfc sfe sff sfg sfh sfo sfr sfs sft sga sgc sge sgf sgg sgh sgo sgr sgs sgt sh- sha shc she shf shg shh sho shr shs sht soa soc soe sof sog soh soo sor sos sot sr- sra src sre srf srg srh sro srr srs srt ss- ssa ssc sse ssf ssg ssh sso ssr sss sst sta stc ste stf stg sth sto str sts stt taa tac tae taf tag tah tao tar tas tat tca tcc tce tcf tcg tch tco tcr tcs tct te- tea tec tee tef teg teh teo ter tes tet tfa tfc tfe tff tfg tfh tfo tfr tfs tft tga tgc tge tgf tgg tgh tgo tgr tgs tgt th- tha thc the thf thg thh tho thr ths tht to- toa toc toe tof tog toh too tor tos tot tra trc tre trf trg trh tro trr trs trt