-th a-a a-c a-t aaa aac aaf aag aah aar aas aat ac- aca acc acf acg ach acr acs act af- afa afc aff afg afh afr afs aft ag- aga agc agf agg agh agr ags agt aha ahc ahf ahg ahh ahr ahs aht ar- ara arc arf arg arh arr ars art as- asa asc asf asg ash asr ass ast at- ata atc atf atg ath atr ats att c-- caa cac caf cag cah car cas cat cca ccc ccf ccg cch ccr ccs cct cfa cfc cff cfg cfh cfr cfs cft cga cgc cgg cgh cgr cgs cgt ch- cha chc chf chg chh chr chs cht cra crc crf crg crh crr crs crt csa csc csf csg csh csr css cst cta ctc ctf ctg cth ctr cts ctt faa fac faf fag fah far fas fat fca fcc fcf fcg fcr fcs fct ffa ffc fff ffg ffh ffr ffs fft fga fgc fgf fgg fgh fgr fgs fgt fha fhc fhf fhg fhh fhr fhs fra frc frf frg frh frr frs frt fsa fsc fsf fsg fsh fsr fss fst fta ftc ftf ftg fth ftr fts ftt gaa gac gaf gag gah gar gas gat gca gcc gcf gcg gch gcr gcs gct gfa gfc gff gfh gfr gfs gft gga ggc ggg ggh ggr ggs ggt gha ghc ghg ghh ghr ghs ght gra grc grf grg grh grr grs grt gsa gsc gsf gsg gsr gss gst gta gtc gtf gtg gth gtr gts gtt haa hac haf hag hah har has hat hca hcc hcf hcg hch hcr hcs hct hfa hfc hff hfg hfh hfr hfs hft hga hgc hgf hgg hgh hgr hgs hgt hha hhc hhf hhg hhh hhr hhs hht hr- hra hrc hrf hrg hrh hrr hrs hrt hsa hsc hsf hsg hsh hsr hss hst hta htc htf htg hth htr hts htt ra- raa rac raf rag rah rar ras rat rca rcc rcf rcg rch rcr rcs rct rfa rfc rff rfg rfh rfr rfs rft rga rgc rgf rgg rgh rgr rgs rgt rh- rha rhc rhf rhg rhh rhr rhs rht rra rrc rrf rrg rrh rrr rrs rrt rsa rsc rsf rsg rsh rsr rss rst rta rtc rtf rtg rtr rts rtt saa sac saf sag sah sar sas sat sca scc scf scg sch scr scs sct sfa sfc sff sfg sfh sfr sfs sft sga sgc sgf sgg sgh sgr sgs sgt sh- sha shc shf shg shh shr shs sht sr- sra src srf srg srh srr srs srt ss- ssa ssc ssf ssg ssh ssr sss sst sta stc stf stg sth str sts stt taa tac taf tag tah tar tas tat tca tcc tcf tcg tch tcr tcs tct tfa tfc tff tfg tfh tfr tfs tft tga tgc tgf tgg tgh tgr tgs tgt th- tha thc thf thg thh thr ths tht tra trc trf trg trh trr trs trt tsa tsc tsf tsg tsh tsr tss tst tta ttc ttf ttg tth ttr tts ttt