-er ddd dde ddm ddo ddp ddr ddt de- ded dee dem deo dep der det dev dmd dme dmm dmo dmp dmr dmt dmv dod doe dom doo dop dor dot dov dpd dpe dpm dpo dpp dpr dpt dpv drd dre drm dro drp drr drt drv dtd dte dtm dto dtp dtr dtt dtv dvd dve dvm dvp dvr dvt ed- edd ede edm edo edp edr edt eed eee eem eeo eep eer eet eev em- emd eme emm emo emp emr emt emv eo- eod eoe eom eoo eop eor eot ep- epd epe epm epo epp epr ept erd ere erm ero erp err ert erv etd ete etm eto etp etr ett etv evd eve evm evo evp evr evt evv m-o m-r m-v mdd mde mdm mdo mdp mdr mdt mdv med mee mem meo mep mer met mev mmd mme mmm mmo mmp mmr mmt mmv mod moe mom moo mop mor mot mov mpd mpe mpm mpo mpp mpr mpt mpv mrd mre mrm mro mrp mrr mrt mrv mtd mte mtm mto mtp mtr mtt mtv mvd mve mvm mvo mvp mvr mvt mvv odd ode odm odo odp odr odt odv oed oee oem oeo oep oer oet om- omd ome omm omo omp omr omt omv oo- ood oom ooo oop oor oot oov op- opd ope opm opo opp opr opt opv or- ord ore orm oro orp orr ort orv ot- otd ote otm oto otp otr ott otv ov- ovd ove ovo ovp ovv p-p pdd pde pdm pdo pdp pdr pdt pdv ped pee pem peo pep per pet pev pmd pme pmm pmo pmp pmr pmt pmv pod poe pom poo pop por pot pov ppd ppe ppm ppo ppp ppr ppt ppv prd pre prm pro prp prr prt prv pt- ptd pte ptm pto ptp ptr ptt ptv pvd pve pvm pvo pvp pvr pvt pvv rdd rde rdm rdo rdp rdr rdt rdv re- red ree rem reo rep rer ret rev rmd rme rmm rmo rmp rmr rmt rmv rod roe rom roo rop ror rot rov rpd rpe rpm rpo rpp rpr rpt rpv rrd rrm rrp rrr rrt rtd rte rtm rto rtp rtr rtt rtv rvd rve rvm rvo rvp rvr rvt rvv tdd tde tdm tdo tdp tdr tdt tdv te- ted tee tem teo tep ter tet tev tmd tme tmm tmo tmp tmr tmt tmv to- tod toe tom too top tor tot tov tpd tpe tpm tpo tpp tpr tpt tpv trd tre trm tro trp trr trt trv ttd tte ttm tto ttp ttr ttt ttv tvd tve tvm tvo tvp tvr tvt v-e vdd vde vdm vdo vdp vdr vdt vdv ved vee vem veo vep ver vet vm- vmd vmm vmo vmr vmt vod voe vom voo vop vor vot vov vpd vpe vpm vpo vpp vpr vpt vrd vre vrm vrp vrr vrt vte vtm vto vtr vtt vtv vvm vvo vvr vvt vvv