-er a-a a-c a-t aaa aac aae aag aam aan aao aar aas aat ac- aca acc ace acg acm acn aco acr acs act aea aec aee aeg aem aen aeo aer aes aet ag- aga agc age agg agm agn ago agr ags agt ama amc ame amg amm amn amo amr ams amt an- ana anc ane ang anm ann ano anr ans ant aoa aoc aoe aog aom aon aoo aor aos aot ar- ara arc are arg arm arn aro arr ars art as- asa asc ase asg asm asn aso asr ass ast at- ata atc ate atg atm atn ato atr ats att c-- caa cac cae cag cam can cao car cas cat cca ccc cce ccg ccm ccn cco ccr ccs cct ce- cea cec cee ceg cem cen ceo cer ces cet cga cgc cge cgg cgm cgn cgo cgr cgs cgt cma cmc cme cmg cmm cmn cmo cmr cms cmt cn- cna cnc cne cng cnm cnn cno cnr cns cnt co- coa coc coe cog com con coo cor cos cot cra crc cre crg crm crn cro crr crs crt csa csc cse csg csm csn cso csr css cst cta ctc cte ctg ctm ctn cto ctr cts ctt eaa eac eae eag eam ean eao ear eas eat ec- eca ecc ece ecg ecm ecn eco ecr ecs ect eea eec eee eeg eem een eeo eer ees eet ega egc ege egg egm egn ego egr egs egt em- ema emc eme emg emm emn emo emr ems emt en- ena enc ene eng enm enn eno enr ens ent eo- eoa eoc eoe eog eom eon eoo eor eos eot era erc ere erg erm ern ero err ers ert es- esa esc ese esg esm esn eso esr ess est eta etc ete etg etm etn eto etr ets ett gaa gac gae gag gam gan gao gar gas gat gca gcc gce gcg gcm gcn gco gcr gcs gct ge- gea gec gee geg gem gen geo ger ges get gga ggc ggg ggm ggn ggo ggr ggs ggt gma gmc gme gmg gmm gmn gmo gmr gms gmt gna gnc gne gnm gnn gno gnr gns gnt goa goc goe gog gom gon goo gor gos got gra grc gre grg grm grn gro grr grs grt gsa gsc gse gsg gsm gsn gso gsr gss gst gta gtc gte gtg gtm gtn gto gtr gts gtt m-o m-r maa mac mae mag mam man mao mar mas mat mc- mca mcc mce mcg mcm mcn mco mcr mcs mct mea mec mee meg mem men meo mer mes met mga mgc mge mgm mgn mgo mgr mgs mgt mma mmc mme mmg mmm mmn mmo mmr mms mmt mna mnc mne mng mnm mnn mno mnr mns mnt moa moc moe mog mom mon moo mor mos mot mra mrc mre mrg mrm mrn mro mrr mrs mrt msa msc mse msg msm msn mso msr mss mst mta mtc mte mtg mtm mtn mto mtr mts mtt naa nac nae nag nam nan nao nar nas nat nca ncc nce ncg ncm ncn nco ncr ncs nct ne- nea nec nee neg nem nen neo ner nes net nga ngc nge ngg ngm ngn ngo ngs ngt nma nmc nme nmg nmm nmn nmo nmr nms nmt nna nnc nne nng nnm nnn nno nns nnt no- noa noc noe nog nom non noo nor nos not nra nrc nre nrg nrm nrn nro nrr nrs nrt nsa nsc nse nsg nsm nsn nso nsr nss nst nta ntc nte ntg ntm ntn nto ntr nts ntt oaa oac oae oag oam oan oao oar oas oat oc- oca occ ocg ocm ocn oco ocr ocs oct oea oec oee oeg oem oen oeo oer oes oet oga ogc oge ogg ogn ogo ogs ogt om- oma omc ome omg omm omn omo omr oms omt on- ona onc one ong onn ono onr ons ont oo- ooa ooc oog oom oon ooo oor oos oot or- ora orc ore org orm orn oro orr ors ort os- osa osc ose osg osm osn oso osr oss ost ot- ota otc ote otg otm otn oto otr ots ott ra- raa rac rae rag ram ran rao rar ras rat rca rcc rce rcg rcm rcn rco rcr rcs rct re- rea rec ree reg rem ren reo rer res ret rga rgc rge rgg rgn rgo rgr rgs rgt rma rmc rme rmg rmm rmn rmo rmr rms rmt rna rnc rng rnm rnn rno rnr rns rnt roa roc roe rog rom ron roo ror ros rot rra rrc rrg rrm rrn rrr rrs rrt rsa rsc rse rsg rsm rsn rso rsr rss rst rta rtc rte rtg rtm rtn rto rtr rts rtt saa sac sae sag sam san sao sar sas sat sca scc sce scg scm scn sco scr scs sct se- sea sec see seg sem sen seo ser ses set sga sgc sge sgg sgm sgn sgo sgr sgs sgt sma smc sme smg smm smn smo smr sms smt sna snc sne sng snm snn sno snr sns snt soa soc soe sog som son soo sor sos sot sr- sra src sre srg srm srn sro srr srs srt ss- ssa ssc sse ssg ssm ssn sso ssr sss sst sta stc ste stg stm stn sto str sts stt taa tac tae tag tam tan tao tar tas tat tca tcc tce tcg tcm tcn tco tcr tcs tct te- tea tec tee teg tem ten teo ter tes tet tga tgc tge tgg tgm tgn tgo tgr tgs tgt tma tmc tme tmg tmm tmn tmo tmr tms tmt tna tnc tne tng tnm tnn tno tnr tns tnt to- toa toc toe tog tom ton too tor tos tot tra trc tre trg trm