a-a a-c aaa aac aae aag aam aao aap aas ac- aca acc ace acg acm aco acp acs aea aec aee aeg aem aeo aep aes ag- aga agc age agg agm ago agp ags ama amc ame amg amm amo amp ams aoa aoc aoe aog aom aoo aop aos ap- apa apc ape apg apm apo app aps as- asa asc ase asg asm aso asp ass c-- caa cac cae cag cam cao cap cas cca ccc cce ccg ccm cco ccp ccs ce- cea cec cee ceg cem ceo cep ces cga cgc cge cgg cgm cgo cgp cgs cma cmc cme cmg cmm cmo cmp cms co- coa coc coe cog com coo cop cos cpa cpc cpe cpg cpm cpo cpp cps csa csc cse csg csm cso csp css eaa eac eae eag eam eao eap eas ec- eca ecc ece ecg ecm eco ecs eea eec eee eeg eem eeo eep ees ega egc ege egg egm ego egp egs em- ema emc eme emg emm emo emp ems eo- eoa eoc eoe eog eom eoo eop eos ep- epa epc epe epg epm epo epp eps es- esa esc ese esg esm eso esp ess g-p gaa gac gae gag gam gao gap gas gca gcc gce gcg gcm gco gcp gcs ge- gea gec gee geg gem geo gep ges gga ggc ggg ggm ggo ggp ggs gma gmc gme gmg gmm gmo gmp gms goa goc goe gog gom goo gop gos gpa gpc gpe gpg gpm gpo gpp gps gsa gsc gse gsg gsm gso gsp gss m-o maa mac mae mag mam mao map mas mc- mca mcc mce mcg mcm mco mcp mcs mea mec mee meg mem meo mep mes mga mgc mge mgm mgo mgp mgs mma mmc mme mmg mmm mmo mmp mms moa moc moe mog mom moo mop mos mpa mpc mpe mpg mpm mpo mpp mps msa msc mse msg msm mso msp mss oaa oac oae oag oam oao oap oas oc- oca occ ocg ocm oco ocp ocs oea oec oee oeg oem oeo oep oes oga ogc oge ogg ogo ogp ogs om- oma omc ome omg omm omo omp oms oo- ooa ooc oog oom ooo oop oos op- opa opc ope opg opm opo opp ops os- osa osc ose osg osm oso osp oss p-p paa pac pae pag pam pao pap pas pca pcc pce pcg pcm pco pcp pcs pea pec pee peg pem peo pep pes pga pgc pge pgg pgm pgo pgp pgs pma pmc pme pmg pmm pmo pmp pms poa poc poe pog pom poo pop pos ppa ppc ppe ppg ppm ppo ppp pps ps- psa psc pse psg psm pso psp pss saa sac sae sag sam sao sap sas sca scc sce scg scm sco scp scs se- sea sec see seg sem seo sep ses sga sgc sge sgg sgm sgo sgp sgs sma smc sme smg smm smo smp sms soa soc soe sog som soo sop sos spa spc spe spg spm spo spp sps ss- ssa ssc sse ssg ssm sso ssp sss