a-a a-c aaa aac aad aam aao aap ac- aca acc acd acm aco acp ad- ada adc add adm ado adp ama amc amd amm amo amp aoa aoc aod aom aoo aop ap- apa apc apd apm apo app c-- caa cac cad cam cao cap cca ccc ccd ccm cco ccp cda cdc cdd cdm cdo cdp cma cmc cmd cmm cmo cmp co- coa coc cod com coo cop cpa cpc cpd cpm cpo cpp daa dac dad dam dao dap dca dcc dcd dcm dco dcp dda ddc ddd ddm ddo ddp dma dmc dmd dmm dmo dmp doa doc dod dom doo dop dpa dpc dpd dpm dpo dpp m-o maa mac mad mam mao map mc- mca mcc mcd mcm mco mcp mda mdc mdd mdm mdo mdp mma mmc mmd mmm mmo mmp moa moc mod mom moo mop mpa mpc mpd mpm mpo mpp oaa oac oad oam oao oap oc- oca occ ocd ocm oco ocp oda odc odd odm odo odp om- oma omc omd omm omo omp oo- ooa ooc ood oom ooo oop op- opa opc opd opm opo opp p-p paa pac pad pam pao pap pca pcc pcd pcm pco pcp pda pdc pdd pdm pdo pdp pma pmc pmd pmm pmo pmp poa poc pod pom poo pop ppa ppc ppd ppm ppo ppp