ddd dde ddm ddo ddp de- ded dee dem deo dep dmd dme dmm dmo dmp dod doe dom doo dop dpd dpe dpm dpo dpp ed- edd ede edm edo edp eed eee eem eeo eep em- emd eme emm emo emp eo- eod eoe eom eoo eop ep- epd epe epm epo epp m-o mdd mde mdm mdo mdp med mee mem meo mep mmd mme mmm mmo mmp mod moe mom moo mop mpd mpe mpm mpo mpp odd ode odm odo odp oed oee oem oeo oep om- omd ome omm omo omp oo- ood oom ooo oop op- opd ope opm opo opp p-p pdd pde pdm pdo pdp ped pee pem peo pep pmd pme pmm pmo pmp pod poe pom poo pop ppd ppe ppm ppo ppp