-er ddd dde ddg ddi ddm ddo ddr dds ddt de- ded dee deg dei dem deo der des det dgd dge dgg dgi dgm dgr dgs dgt di- did die dig dii dim dio dir dis dit dmd dme dmg dmi dmm dmo dmr dms dmt dod doe dog doi dom doo dor dos dot drd dre drg dri drm dro drr drs drt dsd dse dsg dsi dsm dso dsr dss dst dtd dte dtg dti dtm dto dtr dts dtt ed- edd ede edg edi edm edo edr eds edt eed eee eeg eem eeo eer ees eet egd ege egg egi egm ego egr egs egt eid eie eig eii eim eio eir eis eit em- emd eme emg emi emm emo emr ems emt eo- eod eoe eog eoi eom eoo eor eos eot erd ere erg eri erm ero err ers ert es- esd ese esg esi esm eso esr ess est etd ete etg eti etm eto etr ets ett g-d gdd gde gdi gdm gdo gdr gds gdt ge- ged gee geg gei gem geo ger ges get ggd ggg ggi ggm ggo ggr ggs ggt gid gie gig gii gim gio gir gis git gmd gme gmg gmi gmm gmo gmr gms gmt god goe gog goi gom goo gor gos got grd gre grg gri grm gro grr grs grt gsd gse gsg gsi gsm gso gsr gss gst gtd gte gtg gti gtm gto gtr gts gtt i-d idd ide idg idi idm ido idr ids idt ie- ied iee ieg iei iem ier ies iet igd ige igg igi igm igo igr igs igt iid iie iii iim iio iir iis iit im- imd ime img imi imm imo ims imt io- iod ioe iog ioi iom ioo ior ios iot ir- ird ire irg iri irm iro irr irs irt is- isd ise isg isi ism iso isr iss ist itd ite itg iti itm ito its itt m-o m-r mdd mde mdg mdi mdm mdo mdr mds mdt med mee meg mei mem meo mer mes met mgd mge mgi mgm mgo mgr mgs mgt mi- mid mie mig mii mim mio mir mis mit mmd mme mmg mmi mmm mmo mmr mms mmt mod moe mog moi mom moo mor mos mot mrd mre mrg mri mrm mro mrr mrs mrt msd mse msg msi msm mso msr mss mst mtd mte mtg mti mtm mto mtr mts mtt o-i odd ode odg odi odm odo odr ods odt oed oee oeg oei oem oeo oer oes oet ogd oge ogg ogi ogo ogs ogt oid oie oii oim oio oir ois oit om- omd ome omg omi omm omo omr oms omt oo- ood oog ooi oom ooo oor oos oot or- ord ore org ori orm oro orr ors ort os- osd ose osg osi osm oso osr oss ost ot- otd ote otg oti otm oto otr ots ott rdd rde rdg rdi rdm rdo rdr rds rdt re- red ree reg rei rem reo rer res ret rgd rge rgg rgi rgo rgr rgs rgt rid rie rig rii rim rio rir ris rit rmd rme rmg rmi rmm rmo rmr rms rmt rod roe rog roi rom roo ror ros rot rrd rrg rri rrm rrr rrs rrt rsd rse rsg rsi rsm rso rsr rss rst rtd rte rtg rti rtm rto rtr rts rtt sdd sde sdg sdi sdm sdo sdr sds sdt se- sed see seg sei sem seo ser ses set sgd sge sgg sgi sgm sgo sgr sgs sgt sid sie sig sii sim sio sir sis sit smd sme smg smi smm smo smr sms smt sod soe sog soi som soo sor sos sot sr- srd sre srg sri srm sro srr srs srt ss- ssd sse ssg ssi ssm sso ssr sss sst std ste stg sti stm sto str sts stt tdd tde tdg tdi tdm tdo tdr tds tdt te- ted tee teg tei tem teo ter tes tet tge tgg tgi tgm tgo tgr tgs tgt tid tie tig tii tim tio tir tis tit tmd tme tmg tmi tmm tmo tmr tms tmt to- tod toe tog toi tom too tor tos tot trd tre trg tri trm tro trr trs trt tsd tse tsg tsi tsm tso tsr tss tst ttd tte ttg tti ttm tto ttr tts ttt