-er ddd dde ddg ddn ddo ddr dds ddt de- ded dee deg den deo der des det dgd dge dgg dgn dgr dgs dgt dnd dne dng dnn dno dnr dns dnt dod doe dog don doo dor dos dot drd dre drg drn dro drr drs drt dsd dse dsg dsn dso dsr dss dst dtd dte dtg dtn dto dtr dts dtt ed- edd ede edg edn edo edr eds edt eed eee eeg een eeo eer ees eet egd ege egg egn ego egr egs egt en- end ene eng enn eno enr ens ent eo- eod eoe eog eon eoo eor eos eot erd ere erg ern ero err ers ert es- esd ese esg esn eso esr ess est etd ete etg etn eto etr ets ett g-d gdd gde gdn gdo gdr gds gdt ge- ged gee geg gen geo ger ges get ggd ggg ggn ggo ggr ggs ggt gnd gne gnn gno gnr gns gnt god goe gog gon goo gor gos got grd gre grg grn gro grr grs grt gsd gse gsg gsn gso gsr gss gst gtd gte gtg gtn gto gtr gts gtt ndd nde ndg ndn ndo ndr nds ndt ne- ned nee neg nen neo ner nes net ngd nge ngg ngn ngo ngs ngt nne nng nnn nno nns nnt no- nod noe nog non noo nor nos not nrd nre nrg nrn nro nrr nrs nrt nsd nse nsg nsn nso nsr nss nst ntd nte ntg ntn nto ntr nts ntt odd ode odg odn odo odr ods odt oed oee oeg oen oeo oer oes oet ogd oge ogg ogn ogo ogs ogt on- ond one ong onn ono onr ons ont oo- ood oog oon ooo oor oos oot or- ord ore org orn oro orr ors ort os- osd ose osg osn oso osr oss ost ot- otd ote otg otn oto otr ots ott rdd rde rdg rdn rdo rdr rds rdt re- red ree reg ren reo rer res ret rgd rge rgg rgn rgo rgr rgs rgt rnd rng rnn rno rnr rns rnt rod roe rog ron roo ror ros rot rrd rrg rrn rrr rrs rrt rsd rse rsg rsn rso rsr rss rst rtd rte rtg rtn rto rtr rts rtt sdd sde sdg sdn sdo sdr sds sdt se- sed see seg sen seo ser ses set sgd sge sgg sgn sgo sgr sgs sgt snd sne sng snn sno snr sns snt sod soe sog son soo sor sos sot sr- srd sre srg srn sro srr srs srt ss- ssd sse ssg ssn sso ssr sss sst std ste stg stn sto str sts stt tdd tde tdg tdn tdo tdr tds tdt te- ted tee teg ten teo ter tes tet tge tgg tgn tgo tgr tgs tgt tnd tne tng tnn tno tnr tns tnt to- tod toe tog ton too tor tos tot trd tre trg trn tro trr trs trt tsd tse tsg tsn tso tsr tss tst ttd tte ttg ttn tto ttr tts ttt