-er ddd dde ddg ddm ddo ddr dds ddt de- ded dee deg dem deo der des det dgd dge dgg dgm dgr dgs dgt dmd dme dmg dmm dmo dmr dms dmt dod doe dog dom doo dor dos dot drd dre drg drm dro drr drs drt dsd dse dsg dsm dso dsr dss dst dtd dte dtg dtm dto dtr dts dtt ed- edd ede edg edm edo edr eds edt eed eee eeg eem eeo eer ees eet egd ege egg egm ego egr egs egt em- emd eme emg emm emo emr ems emt eo- eod eoe eog eom eoo eor eos eot erd ere erg erm ero err ers ert es- esd ese esg esm eso esr ess est etd ete etg etm eto etr ets ett g-d gdd gde gdm gdo gdr gds gdt ge- ged gee geg gem geo ger ges get ggd ggg ggm ggo ggr ggs ggt gmd gme gmg gmm gmo gmr gms gmt god goe gog gom goo gor gos got grd gre grg grm gro grr grs grt gsd gse gsg gsm gso gsr gss gst gtd gte gtg gtm gto gtr gts gtt m-o m-r mdd mde mdg mdm mdo mdr mds mdt med mee meg mem meo mer mes met mgd mge mgm mgo mgr mgs mgt mmd mme mmg mmm mmo mmr mms mmt mod moe mog mom moo mor mos mot mrd mre mrg mrm mro mrr mrs mrt msd mse msg msm mso msr mss mst mtd mte mtg mtm mto mtr mts mtt odd ode odg odm odo odr ods odt oed oee oeg oem oeo oer oes oet ogd oge ogg ogo ogs ogt om- omd ome omg omm omo omr oms omt oo- ood oog oom ooo oor oos oot or- ord ore org orm oro orr ors ort os- osd ose osg osm oso osr oss ost ot- otd ote otg otm oto otr ots ott rdd rde rdg rdm rdo rdr rds rdt re- red ree reg rem reo rer res ret rgd rge rgg rgo rgr rgs rgt rmd rme rmg rmm rmo rmr rms rmt rod roe rog rom roo ror ros rot rrd rrg rrm rrr rrs rrt rsd rse rsg rsm rso rsr rss rst rtd rte rtg rtm rto rtr rts rtt sdd sde sdg sdm sdo sdr sds sdt se- sed see seg sem seo ser ses set sgd sge sgg sgm sgo sgr sgs sgt smd sme smg smm smo smr sms smt sod soe sog som soo sor sos sot sr- srd sre srg srm sro srr srs srt ss- ssd sse ssg ssm sso ssr sss sst std ste stg stm sto str sts stt tdd tde tdg tdm tdo tdr tds tdt te- ted tee teg tem teo ter tes tet tge tgg tgm tgo tgr tgs tgt tmd tme tmg tmm tmo tmr tms tmt to- tod toe tog tom too tor tos tot trd tre trg trm tro trr trs trt tsd tse tsg tsm tso tsr tss tst ttd tte ttg ttm tto ttr tts ttt