a-a a-c aaa aac aae aag aam aao aap ac- aca acc ace acg acm aco acp aea aec aee aeg aem aeo aep ag- aga agc age agg agm ago agp ama amc ame amg amm amo amp aoa aoc aoe aog aom aoo aop ap- apa apc ape apg apm apo app c-- caa cac cae cag cam cao cap cca ccc cce ccg ccm cco ccp ce- cea cec cee ceg cem ceo cep cga cgc cge cgg cgm cgo cgp cma cmc cme cmg cmm cmo cmp co- coa coc coe cog com coo cop cpa cpc cpe cpg cpm cpo cpp eaa eac eae eag eam eao eap ec- eca ecc ece ecg ecm eco eea eec eee eeg eem eeo eep ega egc ege egg egm ego egp em- ema emc eme emg emm emo emp eo- eoa eoc eoe eog eom eoo eop ep- epa epc epe epg epm epo epp g-p gaa gac gae gag gam gao gap gca gcc gce gcg gcm gco gcp ge- gea gec gee geg gem geo gep gga ggc ggg ggm ggo ggp gma gmc gme gmg gmm gmo gmp goa goc goe gog gom goo gop gpa gpc gpe gpg gpm gpo gpp m-o maa mac mae mag mam mao map mc- mca mcc mce mcg mcm mco mcp mea mec mee meg mem meo mep mga mgc mge mgm mgo mgp mma mmc mme mmg mmm mmo mmp moa moc moe mog mom moo mop mpa mpc mpe mpg mpm mpo mpp oaa oac oae oag oam oao oap oc- oca occ ocg ocm oco ocp oea oec oee oeg oem oeo oep oga ogc oge ogg ogo ogp om- oma omc ome omg omm omo omp oo- ooa ooc oog oom ooo oop op- opa opc ope opg opm opo opp p-p paa pac pae pag pam pao pap pca pcc pce pcg pcm pco pcp pea pec pee peg pem peo pep pga pgc pge pgg pgm pgo pgp pma pmc pme pmg pmm pmo pmp poa poc poe pog pom poo pop ppa ppc ppe ppg ppm ppo ppp