-er ddd dde ddg ddi ddr dds ddu de- ded dee deg dei der des deu dgd dge dgg dgi dgr dgs dgu di- did die dig dii dir dis diu drd dre drg dri drr drs dru dsd dse dsg dsi dsr dss dsu dud due dug dui dur dus ed- edd ede edg edi edr eds edu eed eee eeg eer ees egd ege egg egi egr egs egu eid eie eig eii eir eis eiu erd ere erg eri err ers eru es- esd ese esg esi esr ess esu eu- eud eue eug eui eur eus g-d gdd gde gdi gdr gds gdu ge- ged gee geg gei ger ges geu ggd ggg ggi ggr ggs ggu gid gie gig gii gir gis giu grd gre grg gri grr grs gru gsd gse gsg gsi gsr gss gsu gu- gud gue gug gui gur gus guu i-d idd ide idg idi idr ids idu ie- ied iee ieg iei ier ies igd ige igg igi igr igs igu iid iie iii iir iis iiu ir- ird ire irg iri irr irs iru is- isd ise isg isi isr iss isu iu- iud iue iug iui iur ius rdd rde rdg rdi rdr rds rdu re- red ree reg rei rer res reu rgd rge rgg rgi rgr rgs rid rie rig rii rir ris rrd rrg rri rrr rrs rru rsd rse rsg rsi rsr rss rsu rud rue rug rui rur rus ruu sdd sde sdg sdi sdr sds sdu se- sed see seg sei ser ses seu sgd sge sgg sgi sgr sgs sgu sid sie sig sii sir sis siu sr- srd sre srg sri srr srs ss- ssd sse ssg ssi ssr sss ssu sud sue sug sui sur sus suu udd ude udg udi udr uds udu ued uee ueg uei uer ues uge ugg ugi ugr ugs ugu uid uie uig uii uir uis uiu ur- urd ure urg uri urr urs uru usd use usg usi usr uss usu uue uug uur uus uuu