-er ddd dde ddg ddr dds ddt ddz de- ded dee deg der des det dez dgd dge dgg dgr dgs dgt dgz drd dre drg drr drs drt drz dsd dse dsg dsr dss dst dsz dtd dte dtg dtr dts dtt dtz dzd dze dzr dzs ed- edd ede edg edr eds edt eed eee eeg eer ees eet egd ege egg egr egs egt erd ere erg err ers ert erz es- esd ese esg esr ess est etd ete etg etr ets ett etz eze ezr ezs ezz g-d gdd gde gdr gds gdt ge- ged gee geg ger ges get gez ggd ggg ggr ggs ggt ggz grd gre grg grr grs grt gsd gse gsg gsr gss gst gtd gte gtg gtr gts gtt gzr rdd rde rdg rdr rds rdt re- red ree reg rer res ret rez rgd rge rgg rgr rgs rgt rrd rrg rrr rrs rrt rsd rse rsg rsr rss rst rtd rte rtg rtr rts rtt rtz rze sdd sde sdg sdr sds sdt sdz se- sed see seg ser ses set sez sgd sge sgg sgr sgs sgt sr- srd sre srg srr srs srt ss- ssd sse ssg ssr sss sst ssz std ste stg str sts stt stz szd sze szr tdd tde tdg tdr tds tdt te- ted tee teg ter tes tet tez tge tgg tgr tgs tgt tgz trd tre trg trr trs trt trz tsd tse tsg tsr tss tst ttd tte ttg ttr tts ttt tzd tze tzs z-g zds zdt zed zee zer zes zet zez zgg zgs zrs zse zsg zst zsz zte ztr zzr zzs zzt zzz