-er -ic a-a a-c a-i aaa aac aae aag aai aam aao aar aas ac- aca acc ace acg aci acm aco acr acs aea aec aee aeg aei aem aeo aer aes ag- aga agc age agg agi agm ago agr ags ai- aia aic aie aig aii aim aio air ais ama amc ame amg ami amm amo amr ams aoa aoc aoe aog aoi aom aoo aor aos ar- ara arc are arg ari arm aro arr ars as- asa asc ase asg asi asm aso asr ass c-- caa cac cae cag cai cam cao car cas cca ccc cce ccg cci ccm cco ccr ccs ce- cea cec cee ceg cei cem ceo cer ces cga cgc cge cgg cgi cgm cgo cgr cgs ci- cia cic cie cig cii cim cio cir cis cma cmc cme cmg cmi cmm cmo cmr cms co- coa coc coe cog coi com coo cor cos cra crc cre crg cri crm cro crr crs csa csc cse csg csi csm cso csr css eaa eac eae eag eai eam eao ear eas ec- eca ecc ece ecg eci ecm eco ecr ecs eea eec eee eeg eem eeo eer ees ega egc ege egg egi egm ego egr egs eia eic eie eig eii eim eio eir eis em- ema emc eme emg emi emm emo emr ems eo- eoa eoc eoe eog eoi eom eoo eor eos era erc ere erg eri erm ero err ers es- esa esc ese esg esi esm eso esr ess gaa gac gae gag gai gam gao gar gas gca gcc gce gcg gci gcm gco gcr gcs ge- gea gec gee geg gei gem geo ger ges gga ggc ggg ggi ggm ggo ggr ggs gia gic gie gig gii gim gio gir gis gma gmc gme gmg gmi gmm gmo gmr gms goa goc goe gog goi gom goo gor gos gra grc gre grg gri grm gro grr grs gsa gsc gse gsg gsi gsm gso gsr gss ia- iaa iac iae iag iai iam iao iar ias ica icc ice icg ici icm ico icr ics ie- iea iec iee ieg iei iem ier ies iga igc ige igg igi igm igo igr igs iia iic iie iii iim iio iir iis im- ima imc ime img imi imm imo ims io- ioa ioc ioe iog ioi iom ioo ior ios ir- ira irc ire irg iri irm iro irr irs is- isa isc ise isg isi ism iso isr iss m-o m-r maa mac mae mag mai mam mao mar mas mc- mca mcc mce mcg mci mcm mco mcr mcs mea mec mee meg mei mem meo mer mes mga mgc mge mgi mgm mgo mgr mgs mi- mia mic mie mig mii mim mio mir mis mma mmc mme mmg mmi mmm mmo mmr mms moa moc moe mog moi mom moo mor mos mra mrc mre mrg mri mrm mro mrr mrs msa msc mse msg msi msm mso msr mss o-i oaa oac oae oag oai oam oao oar oas oc- oca occ ocg oci ocm oco ocr ocs oea oec oee oeg oei oem oeo oer oes oga ogc oge ogg ogi ogo ogs oia oic oie oii oim oio oir ois om- oma omc ome omg omi omm omo omr oms oo- ooa ooc oog ooi oom ooo oor oos or- ora orc ore org ori orm oro orr ors os- osa osc ose osg osi osm oso osr oss ra- raa rac rae rag rai ram rao rar ras rca rcc rce rcg rci rcm rco rcr rcs re- rea rec ree reg rei rem reo rer res rga rgc rge rgg rgi rgo rgr rgs ria ric rie rig rii rim rio rir ris rma rmc rme rmg rmi rmm rmo rmr rms roa roc roe rog roi rom roo ror ros rra rrc rrg rri rrm rrr rrs rsa rsc rse rsg rsi rsm rso rsr rss saa sac sae sag sai sam sao sar sas sca scc sce scg sci scm sco scr scs se- sea sec see seg sei sem seo ser ses sga sgc sge sgg sgi sgm sgo sgr sgs sia sic sie sig sii sim sio sir sis sma smc sme smg smi smm smo smr sms soa soc soe sog soi som soo sor sos sr- sra src sre srg sri srm sro srr srs ss- ssa ssc sse ssg ssi ssm sso ssr sss