a-a a-c aaa aac aae aag aam aap aas aax ac- aca acc ace acg acm acp acs acx aea aec aee aeg aem aep aes aex ag- aga agc age agg agm agp ags agx ama amc ame amg amm amp ams amx ap- apa apc ape apg apm app aps apx as- asa asc ase asg asm asp ass asx ax- axa axe axm axp axs axx c-- caa cac cae cag cam cap cas cax cca ccc cce ccg ccm ccp ccs ccx ce- cea cec cee ceg cem cep ces cex cga cgc cge cgg cgm cgp cgs cma cmc cme cmg cmm cmp cms cmx cpa cpc cpe cpg cpm cpp cps cpx csa csc cse csg csm csp css csx cxc cxp cxs cxx eaa eac eae eag eam eap eas eax ec- eca ecc ece ecg ecm ecs ecx eea eec eee eeg eem eep ees eex ega egc ege egg egm egp egs egx em- ema emc eme emg emm emp ems emx ep- epa epc epe epg epm epp eps epx es- esa esc ese esg esm esp ess esx ex- exa exc exe exp exs exx g-p gaa gac gae gag gam gap gas gca gcc gce gcg gcm gcp gcs ge- gea gec gee geg gem gep ges gex gga ggc ggg ggm ggp ggs gma gmc gme gmg gmm gmp gms gmx gpa gpc gpe gpg gpm gpp gps gpx gsa gsc gse gsg gsm gsp gss gsx gxa gxp gxs maa mac mae mag mam map mas max mc- mca mcc mce mcg mcm mcp mcs mcx mea mec mee meg mem mep mes mex mga mgc mge mgm mgp mgs mgx mma mmc mme mmg mmm mmp mms mmx mpa mpc mpe mpg mpm mpp mps mpx msa msc mse msg msm msp mss msx mxa mxc mxp mxs p-p paa pac pae pag pam pap pas pax pca pcc pce pcg pcm pcp pcs pcx pea pec pee peg pem pep pes pex pga pgc pge pgg pgm pgp pgs pma pmc pme pmg pmm pmp pms pmx ppa ppc ppe ppg ppm ppp pps ppx ps- psa psc pse psg psm psp pss psx pxc pxe pxg pxm pxs saa sac sae sag sam sap sas sax sca scc sce scg scm scp scs scx se- sea sec see seg sem sep ses sex sga sgc sge sgg sgm sgp sgs sgx sma smc sme smg smm smp sms smx spa spc spe spg spm spp sps spx ss- ssa ssc sse ssg ssm ssp sss ssx sxc sxm sxs xaa xac xag xam xap xas xcp xcx xee xeg xem xep xes xex xge xgp xma xmc xmg xmm xmp xms xmx xpa xpc xpe xpg xpm xpp xps xsa xsc xsm xsp xss xxp xxx