ddd dde ddm ddo ddp dds de- ded dee dem deo dep des dmd dme dmm dmo dmp dms dod doe dom doo dop dos dpd dpe dpm dpo dpp dps dsd dse dsm dso dsp dss ed- edd ede edm edo edp eds eed eee eem eeo eep ees em- emd eme emm emo emp ems eo- eod eoe eom eoo eop eos ep- epd epe epm epo epp eps es- esd ese esm eso esp ess m-o mdd mde mdm mdo mdp mds med mee mem meo mep mes mmd mme mmm mmo mmp mms mod moe mom moo mop mos mpd mpe mpm mpo mpp mps msd mse msm mso msp mss odd ode odm odo odp ods oed oee oem oeo oep oes om- omd ome omm omo omp oms oo- ood oom ooo oop oos op- opd ope opm opo opp ops os- osd ose osm oso osp oss p-p pdd pde pdm pdo pdp pds ped pee pem peo pep pes pmd pme pmm pmo pmp pms pod poe pom poo pop pos ppd ppe ppm ppo ppp pps ps- psd pse psm pso psp pss sdd sde sdm sdo sdp sds se- sed see sem seo sep ses smd sme smm smo smp sms sod soe som soo sop sos spd spe spm spo spp sps ss- ssd sse ssm sso ssp sss