-er ddd dde ddg ddi ddm ddo ddr dds de- ded dee deg dei dem deo der des dgd dge dgg dgi dgm dgr dgs di- did die dig dii dim dio dir dis dmd dme dmg dmi dmm dmo dmr dms dod doe dog doi dom doo dor dos drd dre drg dri drm dro drr drs dsd dse dsg dsi dsm dso dsr dss ed- edd ede edg edi edm edo edr eds eed eee eeg eem eeo eer ees egd ege egg egi egm ego egr egs eid eie eig eii eim eio eir eis em- emd eme emg emi emm emo emr ems eo- eod eoe eog eoi eom eoo eor eos erd ere erg eri erm ero err ers es- esd ese esg esi esm eso esr ess g-d gdd gde gdi gdm gdo gdr gds ge- ged gee geg gei gem geo ger ges ggd ggg ggi ggm ggo ggr ggs gid gie gig gii gim gio gir gis gmd gme gmg gmi gmm gmo gmr gms god goe gog goi gom goo gor gos grd gre grg gri grm gro grr grs gsd gse gsg gsi gsm gso gsr gss i-d idd ide idg idi idm ido idr ids ie- ied iee ieg iei iem ier ies igd ige igg igi igm igo igr igs iid iie iii iim iio iir iis im- imd ime img imi imm imo ims io- iod ioe iog ioi iom ioo ior ios ir- ird ire irg iri irm iro irr irs is- isd ise isg isi ism iso isr iss m-o m-r mdd mde mdg mdi mdm mdo mdr mds med mee meg mei mem meo mer mes mgd mge mgi mgm mgo mgr mgs mi- mid mie mig mii mim mio mir mis mmd mme mmg mmi mmm mmo mmr mms mod moe mog moi mom moo mor mos mrd mre mrg mri mrm mro mrr mrs msd mse msg msi msm mso msr mss o-i odd ode odg odi odm odo odr ods oed oee oeg oei oem oeo oer oes ogd oge ogg ogi ogo ogs oid oie oii oim oio oir ois om- omd ome omg omi omm omo omr oms oo- ood oog ooi oom ooo oor oos or- ord ore org ori orm oro orr ors os- osd ose osg osi osm oso osr oss rdd rde rdg rdi rdm rdo rdr rds re- red ree reg rei rem reo rer res rgd rge rgg rgi rgo rgr rgs rid rie rig rii rim rio rir ris rmd rme rmg rmi rmm rmo rmr rms rod roe rog roi rom roo ror ros rrd rrg rri rrm rrr rrs rsd rse rsg rsi rsm rso rsr rss sdd sde sdg sdi sdm sdo sdr sds se- sed see seg sei sem seo ser ses sgd sge sgg sgi sgm sgo sgr sgs sid sie sig sii sim sio sir sis smd sme smg smi smm smo smr sms sod soe sog soi som soo sor sos sr- srd sre srg sri srm sro srr srs ss- ssd sse ssg ssi ssm sso ssr sss