-er ddd dde ddi ddm ddo ddp ddr de- ded dee dei dem deo dep der dev di- did die dii dim dio dip dir div dmd dme dmi dmm dmo dmp dmr dmv dod doe doi dom doo dop dor dov dpd dpe dpi dpm dpo dpp dpr dpv drd dre dri drm dro drp drr drv dvd dve dvi dvm dvp dvr ed- edd ede edi edm edo edp edr eed eee eem eeo eep eer eev eid eie eii eim eio eip eir eiv em- emd eme emi emm emo emp emr emv eo- eod eoe eoi eom eoo eop eor ep- epd epe epi epm epo epp epr erd ere eri erm ero erp err erv evd eve evi evm evo evp evr evv i-d i-v idd ide idi idm ido idp idr idv ie- ied iee iei iem iep ier iev iid iie iii iim iio iip iir im- imd ime imi imm imo imp imv io- iod ioe ioi iom ioo iop ior iov ipd ipe ipi ipm ipo ipp ipr ipv ir- ird ire iri irm iro irp irr irv ivd ive ivi ivo ivp ivr ivv m-o m-r m-v mdd mde mdi mdm mdo mdp mdr mdv med mee mei mem meo mep mer mev mi- mid mie mii mim mio mip mir miv mmd mme mmi mmm mmo mmp mmr mmv mod moe moi mom moo mop mor mov mpd mpe mpi mpm mpo mpp mpr mpv mrd mre mri mrm mro mrp mrr mrv mvd mve mvi mvm mvo mvp mvr mvv o-i odd ode odi odm odo odp odr odv oed oee oei oem oeo oep oer oid oie oii oim oio oip oir oiv om- omd ome omi omm omo omp omr omv oo- ood ooi oom ooo oop oor oov op- opd ope opi opm opo opp opr opv or- ord ore ori orm oro orp orr orv ov- ovd ove ovi ovo ovp ovv p-p pdd pde pdi pdm pdo pdp pdr pdv ped pee pei pem peo pep per pev pid pie pii pim pio pip pir piv pmd pme pmi pmm pmo pmp pmr pmv pod poe poi pom poo pop por pov ppd ppe ppi ppm ppo ppp ppr ppv prd pre pri prm pro prp prr prv pvd pve pvi pvm pvo pvp pvr pvv rdd rde rdi rdm rdo rdp rdr rdv re- red ree rei rem reo rep rer rev rid rie rii rim rio rip rir riv rmd rme rmi rmm rmo rmp rmr rmv rod roe roi rom roo rop ror rov rpd rpe rpi rpm rpo rpp rpr rpv rrd rri rrm rrp rrr rvd rve rvi rvm rvo rvp rvr rvv v-e vdd vde vdi vdm vdo vdp vdr vdv ved vee vei vem veo vep ver vi- vid vie vii vim vio vip vir viv vm- vmd vmi vmm vmo vmr vod voe voi vom voo vop vor vov vpd vpe vpi vpm vpo vpp vpr vrd vre vri vrm vrp vrr vvi vvm vvo vvr vvv