-er -ol ddd dde ddl ddm ddo ddr dds de- ded dee del dem deo der des dev dl- dld dle dll dlm dlo dlr dls dlv dmd dme dml dmm dmo dmr dms dmv dod doe dol dom doo dor dos dov drd dre drl drm dro drr drs drv dsd dse dsl dsm dso dsr dss dsv dvd dve dvl dvm dvr dvs ed- edd ede edl edm edo edr eds eed eee eel eem eeo eer ees eev eld ele ell elm elo elr els elv em- emd eme eml emm emo emr ems emv eo- eod eoe eol eom eoo eor eos erd ere erl erm ero err ers erv es- esd ese esl esm eso esr ess esv evd eve evl evm evo evr evs evv ldd lde ldl ldm ldo ldr lds ldv led lee lel lem leo ler les lev lld lle lll llm llo llr lls llv lmd lme lml lmm lmo lmr lms lmv lod loe lol lom loo lor los lov lrd lrm lro lrr lrs lrv lsd lse lsl lsm lso lsr lss lsv lvd lve lvl lvm lvr lvs lvv m-o m-r m-v mdd mde mdl mdm mdo mdr mds mdv med mee mel mem meo mer mes mev mld mle mll mlm mlo mlr mls mlv mmd mme mml mmm mmo mmr mms mmv mod moe mol mom moo mor mos mov mrd mre mrl mrm mro mrr mrs mrv msd mse msl msm mso msr mss msv mvd mve mvl mvm mvo mvr mvs mvv odd ode odl odm odo odr ods odv oed oee oel oem oeo oer oes old ole oll olm olo ols om- omd ome oml omm omo omr oms omv oo- ood ool oom ooo oor oos oov or- ord ore orl orm oro orr ors orv os- osd ose osl osm oso osr oss osv ov- ovd ove ovl ovo ovs ovv rdd rde rdl rdm rdo rdr rds rdv re- red ree rel rem reo rer res rev rld rle rll rlm rlo rlr rls rmd rme rml rmm rmo rmr rms rmv rod roe rol rom roo ror ros rov rrd rrl rrm rrr rrs rsd rse rsl rsm rso rsr rss rsv rvd rve rvl rvm rvo rvr rvs rvv sdd sde sdl sdm sdo sdr sds sdv se- sed see sel sem seo ser ses sev sld sle sll slm slo slr sls slv smd sme sml smm smo smr sms smv sod soe sol som soo sor sos sov sr- srd sre srl srm sro srr srs srv ss- ssd sse ssl ssm sso ssr sss ssv svd sve svl svm svo svr svs svv v-e vdd vde vdl vdm vdo vdr vds vdv ved vee vel vem veo ver ves vl- vld vle vll vlm vlo vls vlv vm- vmd vmm vmo vmr vod voe vol vom voo vor vos vov vrd vre vrm vrr vrs vsd vse vsl vsm vso vsr vss vsv vvm vvo vvr vvs vvv