-er ddd dde ddg ddm ddo ddr dds de- ded dee deg dem deo der des dgd dge dgg dgm dgr dgs dmd dme dmg dmm dmo dmr dms dod doe dog dom doo dor dos drd dre drg drm dro drr drs dsd dse dsg dsm dso dsr dss ed- edd ede edg edm edo edr eds eed eee eeg eem eeo eer ees egd ege egg egm ego egr egs em- emd eme emg emm emo emr ems eo- eod eoe eog eom eoo eor eos erd ere erg erm ero err ers es- esd ese esg esm eso esr ess g-d gdd gde gdm gdo gdr gds ge- ged gee geg gem geo ger ges ggd ggg ggm ggo ggr ggs gmd gme gmg gmm gmo gmr gms god goe gog gom goo gor gos grd gre grg grm gro grr grs gsd gse gsg gsm gso gsr gss m-o m-r mdd mde mdg mdm mdo mdr mds med mee meg mem meo mer mes mgd mge mgm mgo mgr mgs mmd mme mmg mmm mmo mmr mms mod moe mog mom moo mor mos mrd mre mrg mrm mro mrr mrs msd mse msg msm mso msr mss odd ode odg odm odo odr ods oed oee oeg oem oeo oer oes ogd oge ogg ogo ogs om- omd ome omg omm omo omr oms oo- ood oog oom ooo oor oos or- ord ore org orm oro orr ors os- osd ose osg osm oso osr oss rdd rde rdg rdm rdo rdr rds re- red ree reg rem reo rer res rgd rge rgg rgo rgr rgs rmd rme rmg rmm rmo rmr rms rod roe rog rom roo ror ros rrd rrg rrm rrr rrs rsd rse rsg rsm rso rsr rss sdd sde sdg sdm sdo sdr sds se- sed see seg sem seo ser ses sgd sge sgg sgm sgo sgr sgs smd sme smg smm smo smr sms sod soe sog som soo sor sos sr- srd sre srg srm sro srr srs ss- ssd sse ssg ssm sso ssr sss