-er a-a a-c a-t aaa aac aae aag aak aam aan aao aar aas aat ac- aca acc ace acg ack acm acn aco acr acs act aea aec aee aeg aek aem aen aeo aer aes aet ag- aga agc age agg agk agm agn ago agr ags agt aka akc ake akg akk akm akn ako akr aks ama amc ame amg amk amm amn amo amr ams amt an- ana anc ane ang ank anm ann ano anr ans ant aoa aoc aoe aog aok aom aon aoo aor aos aot ar- ara arc are arg ark arm arn aro arr ars art as- asa asc ase asg ask asm asn aso asr ass ast at- ata atc ate atg atm atn ato atr ats att c-- caa cac cae cag cak cam can cao car cas cat cca ccc cce ccg cck ccm ccn cco ccr ccs cct ce- cea cec cee ceg cek cem cen ceo cer ces cet cga cgc cge cgg cgm cgn cgo cgr cgs cgt cka ckc ckm cko cks ckt cma cmc cme cmg cmk cmm cmn cmo cmr cms cmt cn- cna cnc cne cng cnm cnn cno cnr cns cnt co- coa coc coe cog cok com con coo cor cos cot cra crc cre crg crk crm crn cro crr crs crt csa csc cse csg csk csm csn cso csr css cst cta ctc cte ctg ctk ctm ctn cto ctr cts ctt eaa eac eae eag eak eam ean eao ear eas eat ec- eca ecc ece ecg eck ecm ecn eco ecr ecs ect eea eec eee eeg eek eem een eeo eer ees eet ega egc ege egg egm egn ego egr egs egt eka ekc eke ekg eko ekr eks ekt em- ema emc eme emg emk emm emn emo emr ems emt en- ena enc ene eng enk enm enn eno enr ens ent eo- eoa eoc eoe eog eok eom eon eoo eor eos eot era erc ere erg erk erm ern ero err ers ert es- esa esc ese esg esk esm esn eso esr ess est eta etc ete etg etk etm etn eto etr ets ett gaa gac gae gag gak gam gan gao gar gas gat gca gcc gce gcg gck gcm gcn gco gcr gcs gct ge- gea gec gee geg gek gem gen geo ger ges get gga ggc ggg ggm ggn ggo ggr ggs ggt gka gkm gkn gko gks gkt gma gmc gme gmg gmm gmn gmo gmr gms gmt gna gnc gne gnm gnn gno gnr gns gnt goa goc goe gog gok gom gon goo gor gos got gra grc gre grg grk grm grn gro grr grs grt gsa gsc gse gsg gsk gsm gsn gso gsr gss gst gta gtc gte gtg gtk gtm gtn gto gtr gts gtt k-t ka- kaa kac kae kag kak kam kan kao kar kas kat kca kcc kce kcg kck kcm kcn kcr kcs kct ke- kea kec kee keg kek kem ken keo ker kes ket kga kgc kgm kgo kgs kkc kke kkk kkm kkn kkr kks kkt kma kmc kme kmg kmk kmm kmo kms kmt kn- kna knc kne kng knk knm knn kno knr knt koa koc koe kog kok kom kon koo kor kos kot kra krc krg krk krn kro krr krs krt ksa ksc kse ksg ksk ksm ksn kso ksr kss kst kta ktc kte ktg ktk ktm ktn kto ktr kts ktt m-o m-r maa mac mae mag mak mam man mao mar mas mat mc- mca mcc mce mcg mck mcm mcn mco mcr mcs mct mea mec mee meg mek mem men meo mer mes met mga mgc mge mgk mgm mgn mgo mgr mgs mgt mka mkc mke mkg mkk mkm mkn mko mkr mks mkt mma mmc mme mmg mmk mmm mmn mmo mmr mms mmt mna mnc mne mng mnk mnm mnn mno mnr mns mnt moa moc moe mog mok mom mon moo mor mos mot mra mrc mre mrg mrk mrm mrn mro mrr mrs mrt msa msc mse msg msk msm msn mso msr mss mst mta mtc mte mtg mtk mtm mtn mto mtr mts mtt naa nac nae nag nak nam nan nao nar nas nat nca ncc nce ncg nck ncm ncn nco ncr ncs nct ne- nea nec nee neg nek nem nen neo ner nes net nga ngc nge ngg ngk ngm ngn ngo ngs ngt nka nkc nke nkk nkm nkn nko nkr nks nkt nma nmc nme nmg nmk nmm nmn nmo nmr nms nmt nna nnc nne nng nnk nnm nnn nno nns nnt no- noa noc noe nog nok nom non noo nor nos not nra nrc nre nrg nrk nrm nrn nro nrr nrs nrt nsa nsc nse nsg nsk nsm nsn nso nsr nss nst nta ntc nte ntg ntk ntm ntn nto ntr nts ntt oaa oac oae oag oak oam oan oao oar oas oat oc- oca occ ocg ock ocm ocn oco ocr ocs oct oea oec oee oeg oem oen oeo oer oes oet oga ogc oge ogg ogn ogo ogs ogt oka okc oke okg okk oko okr oks om- oma omc ome omg omm omn omo omr oms omt on- ona onc one ong onk onn ono onr ons ont oo- ooa ooc oog ook oom oon ooo oor oos oot or- ora orc ore org ork orm orn oro orr ors ort os- osa osc ose osg osk osm osn oso osr oss ost ot- ota otc ote otg otk otm otn oto otr ots ott ra- raa rac rae rag rak ram ran rao rar ras rat rca rcc rce rcg rcm rcn rco rcr rcs rct re- rea rec ree reg rek rem ren reo rer res ret rga rgc rge rgg rgk rgn rgo rgr rgs rgt rkc rke rkg rkk rkm