a-a a-c aaa aac aad aae aam aao aap ac- aca acc acd ace acm aco acp ad- ada adc add ade adm ado adp aea aec aed aee aem aeo aep ama amc amd ame amm amo amp aoa aoc aod aoe aom aoo aop ap- apa apc apd ape apm apo app c-- caa cac cad cae cam cao cap cca ccc ccd cce ccm cco ccp cda cdc cdd cde cdm cdo cdp ce- cea cec ced cee cem ceo cep cma cmc cmd cme cmm cmo cmp co- coa coc cod coe com coo cop cpa cpc cpd cpe cpm cpo cpp daa dac dad dae dam dao dap dca dcc dcd dce dcm dco dcp dda ddc ddd dde ddm ddo ddp de- dea dec ded dee dem deo dep dma dmc dmd dme dmm dmo dmp doa doc dod doe dom doo dop dpa dpc dpd dpe dpm dpo dpp eaa eac ead eae eam eao eap ec- eca ecc ecd ece ecm eco ed- eda edc edd ede edm edo edp eea eec eed eee eem eeo eep em- ema emc emd eme emm emo emp eo- eoa eoc eod eoe eom eoo eop ep- epa epc epd epe epm epo epp m-o maa mac mad mae mam mao map mc- mca mcc mcd mce mcm mco mcp mda mdc mdd mde mdm mdo mdp mea mec med mee mem meo mep mma mmc mmd mme mmm mmo mmp moa moc mod moe mom moo mop mpa mpc mpd mpe mpm mpo mpp oaa oac oad oae oam oao oap oc- oca occ ocd ocm oco ocp oda odc odd ode odm odo odp oea oec oed oee oem oeo oep om- oma omc omd ome omm omo omp oo- ooa ooc ood oom ooo oop op- opa opc opd ope opm opo opp p-p paa pac pad pae pam pao pap pca pcc pcd pce pcm pco pcp pda pdc pdd pde pdm pdo pdp pea pec ped pee pem peo pep pma pmc pmd pme pmm pmo pmp poa poc pod poe pom poo pop ppa ppc ppd ppe ppm ppo ppp