-er a-a a-c a-t aaa aac aae aaf aag aam aan aao aar aas aat ac- aca acc ace acf acg acm acn aco acr acs act aea aec aee aef aeg aem aen aeo aer aes aet af- afa afc afe aff afg afm afn afo afr afs aft ag- aga agc age agf agg agm agn ago agr ags agt ama amc ame amf amg amm amn amo amr ams amt an- ana anc ane anf ang anm ann ano anr ans ant aoa aoc aoe aof aog aom aon aoo aor aos aot ar- ara arc are arf arg arm arn aro arr ars art as- asa asc ase asf asg asm asn aso asr ass ast at- ata atc ate atf atg atm atn ato atr ats att c-- caa cac cae caf cag cam can cao car cas cat cca ccc cce ccf ccg ccm ccn cco ccr ccs cct ce- cea cec cee cef ceg cem cen ceo cer ces cet cfa cfc cfe cff cfg cfm cfn cfo cfr cfs cft cga cgc cge cgg cgm cgn cgo cgr cgs cgt cma cmc cme cmf cmg cmm cmn cmo cmr cms cmt cn- cna cnc cne cnf cng cnm cnn cno cnr cns cnt co- coa coc coe cof cog com con coo cor cos cot cra crc cre crf crg crm crn cro crr crs crt csa csc cse csf csg csm csn cso csr css cst cta ctc cte ctf ctg ctm ctn cto ctr cts ctt eaa eac eae eaf eag eam ean eao ear eas eat ec- eca ecc ece ecf ecg ecm ecn eco ecr ecs ect eea eec eee eef eeg eem een eeo eer ees eet ef- efa efc efe eff efg efm efo efr efs eft ega egc ege egf egg egm egn ego egr egs egt em- ema emc eme emf emg emm emn emo emr ems emt en- ena enc ene enf eng enm enn eno enr ens ent eo- eoa eoc eoe eof eog eom eon eoo eor eos eot era erc ere erf erg erm ern ero err ers ert es- esa esc ese esf esg esm esn eso esr ess est eta etc ete etf etg etm etn eto etr ets ett faa fac fae faf fag fam fan fao far fas fat fca fcc fce fcf fcg fcm fcn fco fcr fcs fct fea fec fee fef feg fem fen feo fer fes fet ffa ffc ffe fff ffg ffm ffn ffo ffr ffs fft fga fgc fge fgf fgg fgm fgn fgr fgs fgt fma fmc fme fmf fmg fmm fmn fmo fmr fms fmt fna fnc fne fnf fng fnm fnn fnr fns fnt foa foc foe fof fog fom fon foo for fos fot fra frc fre frf frg frm frn fro frr frs frt fsa fsc fse fsf fsg fsm fsn fso fsr fss fst fta ftc fte ftf ftg ftm ftn fto ftr fts ftt gaa gac gae gaf gag gam gan gao gar gas gat gca gcc gce gcf gcg gcm gcn gco gcr gcs gct ge- gea gec gee gef geg gem gen geo ger ges get gfa gfc gfe gff gfm gfo gfr gfs gft gga ggc ggg ggm ggn ggo ggr ggs ggt gma gmc gme gmf gmg gmm gmn gmo gmr gms gmt gna gnc gne gnf gnm gnn gno gnr gns gnt goa goc goe gof gog gom gon goo gor gos got gra grc gre grf grg grm grn gro grr grs grt gsa gsc gse gsf gsg gsm gsn gso gsr gss gst gta gtc gte gtf gtg gtm gtn gto gtr gts gtt m-f m-o m-r maa mac mae maf mag mam man mao mar mas mat mc- mca mcc mce mcf mcg mcm mcn mco mcr mcs mct mea mec mee mef meg mem men meo mer mes met mfa mfc mfe mff mfg mfm mfn mfo mfr mfs mft mga mgc mge mgf mgm mgn mgo mgr mgs mgt mma mmc mme mmf mmg mmm mmn mmo mmr mms mmt mna mnc mne mnf mng mnm mnn mno mnr mns mnt moa moc moe mof mog mom mon moo mor mos mot mra mrc mre mrf mrg mrm mrn mro mrr mrs mrt msa msc mse msf msg msm msn mso msr mss mst mta mtc mte mtf mtg mtm mtn mto mtr mts mtt naa nac nae naf nag nam nan nao nar nas nat nca ncc nce ncf ncg ncm ncn nco ncr ncs nct ne- nea nec nee nef neg nem nen neo ner nes net nfa nfc nfe nff nfn nfo nfr nfs nft nga ngc nge ngf ngg ngm ngn ngo ngs ngt nma nmc nme nmg nmm nmn nmo nmr nms nmt nna nnc nne nnf nng nnm nnn nno nns nnt no- noa noc noe nof nog nom non noo nor nos not nra nrc nre nrf nrg nrm nrn nro nrr nrs nrt nsa nsc nse nsf nsg nsm nsn nso nsr nss nst nta ntc nte ntf ntg ntm ntn nto ntr nts ntt oaa oac oae oaf oag oam oan oao oar oas oat oc- oca occ ocf ocg ocm ocn oco ocr ocs oct oea oec oee oef oeg oem oen oeo oer oes oet of- ofa ofc ofe off ofg ofm ofn ofo ofr ofs oft oga ogc oge ogf ogg ogn ogo ogs ogt om- oma omc ome omf omg omm omn omo omr oms omt on- ona onc one onf ong onn ono onr ons ont oo- ooa ooc oof oog oom oon ooo oor oos oot or- ora orc ore orf org orm orn oro orr ors ort os- osa osc ose osf osg osm osn oso osr oss ost ot- ota otc ote otf otg otm otn oto otr ots ott ra- raa rac rae raf rag ram ran rao rar ras rat rca rcc rce rcf