-er -ol ddd dde ddl ddm ddo ddp ddr de- ded dee del dem deo dep der dl- dld dle dll dlm dlo dlp dlr dmd dme dml dmm dmo dmp dmr dod doe dol dom doo dop dor dpd dpe dpl dpm dpo dpp dpr drd dre drl drm dro drp drr ed- edd ede edl edm edo edp edr eed eee eel eem eeo eep eer eld ele ell elm elo elp elr em- emd eme eml emm emo emp emr eo- eod eoe eol eom eoo eop eor ep- epd epe epl epm epo epp epr erd ere erl erm ero erp err l-p ldd lde ldl ldm ldo ldp ldr led lee lel lem leo lep ler lld lle lll llm llo llp llr lmd lme lml lmm lmo lmp lmr lod loe lol lom loo lop lor lpd lpe lpl lpm lpo lpp lpr lrd lrm lro lrp lrr m-o m-r mdd mde mdl mdm mdo mdp mdr med mee mel mem meo mep mer mld mle mll mlm mlo mlp mlr mmd mme mml mmm mmo mmp mmr mod moe mol mom moo mop mor mpd mpe mpl mpm mpo mpp mpr mrd mre mrl mrm mro mrp mrr odd ode odl odm odo odp odr oed oee oel oem oeo oep oer old ole oll olm olo olp om- omd ome oml omm omo omp omr oo- ood ool oom ooo oop oor op- opd ope opl opm opo opp opr or- ord ore orl orm oro orp orr p-p pdd pde pdl pdm pdo pdp pdr ped pee pel pem peo pep per pld ple pll plm plo plp plr pmd pme pml pmm pmo pmp pmr pod poe pol pom poo pop por ppd ppe ppl ppm ppo ppp ppr prd pre prl prm pro prp prr rdd rde rdl rdm rdo rdp rdr re- red ree rel rem reo rep rer rld rle rll rlm rlo rlp rlr rmd rme rml rmm rmo rmp rmr rod roe rol rom roo rop ror rpd rpe rpl rpm rpo rpp rpr rrd rrl rrm rrp rrr