-er ddd dde ddm ddn ddo ddp ddr de- ded dee dem den deo dep der dev dmd dme dmm dmn dmo dmp dmr dmv dnd dne dnm dnn dno dnp dnr dod doe dom don doo dop dor dov dpd dpe dpm dpn dpo dpp dpr dpv drd dre drm drn dro drp drr drv dvd dve dvm dvn dvp dvr ed- edd ede edm edn edo edp edr eed eee eem een eeo eep eer eev em- emd eme emm emn emo emp emr emv en- end ene enm enn eno enp enr env eo- eod eoe eom eon eoo eop eor ep- epd epe epm epn epo epp epr erd ere erm ern ero erp err erv evd eve evm evn evo evp evr evv m-o m-r m-v mdd mde mdm mdn mdo mdp mdr mdv med mee mem men meo mep mer mev mmd mme mmm mmn mmo mmp mmr mmv mne mnm mnn mno mnp mnr mod moe mom mon moo mop mor mov mpd mpe mpm mpn mpo mpp mpr mpv mrd mre mrm mrn mro mrp mrr mrv mvd mve mvm mvn mvo mvp mvr mvv ndd nde ndm ndn ndo ndp ndr ndv ne- ned nee nem nen neo nep ner nev nmd nme nmm nmn nmo nmp nmr nne nnm nnn nno nnp nnv no- nod noe nom non noo nop nor nov npd npe npm npn npo npp npr npv nrd nre nrm nrn nro nrp nrr nrv nvd nve nvm nvn nvp nvv odd ode odm odn odo odp odr odv oed oee oem oen oeo oep oer om- omd ome omm omn omo omp omr omv on- ond one onn ono onp onr oo- ood oom oon ooo oop oor oov op- opd ope opm opn opo opp opr opv or- ord ore orm orn oro orp orr orv ov- ovd ove ovo ovp ovv p-p pdd pde pdm pdn pdo pdp pdr pdv ped pee pem pen peo pep per pev pmd pme pmm pmn pmo pmp pmr pmv pn- pnd pne pnm pnn pno pnp pnr pnv pod poe pom pon poo pop por pov ppd ppe ppm ppn ppo ppp ppr ppv prd pre prm prn pro prp prr prv pvd pve pvm pvn pvo pvp pvr pvv rdd rde rdm rdn rdo rdp rdr rdv re- red ree rem ren reo rep rer rev rmd rme rmm rmn rmo rmp rmr rmv rnd rnm rnn rno rnp rnr rnv rod roe rom ron roo rop ror rov rpd rpe rpm rpn rpo rpp rpr rpv rrd rrm rrn rrp rrr rvd rve rvm rvn rvo rvp rvr rvv v-e vdd vde vdm vdo vdp vdr vdv ved vee vem ven veo vep ver vm- vmd vmm vmn vmo vmr vn- vnd vnm vno vnp vnr vnv vod voe vom von voo vop vor vov vpd vpe vpm vpn vpo vpp vpr vrd vre vrm vrn vrp vrr vvm vvo vvr vvv