-ey a-a a-c aaa aac aae aam aao aas aay ac- aca acc ace acm aco acs acy aea aec aee aem aeo aes aey ama amc ame amm amo ams amy aoa aoc aoe aom aoo aos as- asa asc ase asm aso ass asy ay- aya ayc aye ayo ays c-- caa cac cae cam cao cas cay cca ccc cce ccm cco ccs ce- cea cec cee cem ceo ces cey cma cmc cme cmm cmo cms cmy co- coa coc coe com coo cos coy csa csc cse csm cso css csy cya cyc cye cym cyo cys eaa eac eae eam eao eas ec- eca ecc ece ecm eco ecs eea eec eee eem eeo ees eey em- ema emc eme emm emo ems eo- eoa eoc eoe eom eoo eos es- esa esc ese esm eso ess esy eya eyc eye eym eyo eys m-o maa mac mae mam mao mas may mc- mca mcc mce mcm mco mcs mea mec mee mem meo mes mey mma mmc mme mmm mmo mms moa moc moe mom moo mos moy msa msc mse msm mso mss msy my- mya myc mye mym myo mys oaa oac oae oam oao oas oc- oca occ ocm oco ocs oea oec oee oem oeo oes oey om- oma omc ome omm omo oms omy oo- ooa ooc oom ooo oos os- osa osc ose osm oso oss oya oye oyo oys saa sac sae sam sao sas say sca scc sce scm sco scs se- sea sec see sem seo ses sey sma smc sme smm smo sms smy soa soc soe som soo sos soy ss- ssa ssc sse ssm sso sss sy- sya syc sye sym sys yaa yac yae yam yao yas yay yca ycc yce yco ycs ycy yea yec yee yem yeo yes yey yma ymc yme ymm ymo yms yoc yoe yom yoo yos yoy ysa ysc yse ysm yso yss ysy yyc yye yys yyy