-er ddd dde ddg ddi ddr dds ddu ddz de- ded dee deg dei der des deu dez dgd dge dgg dgi dgr dgs dgu dgz di- did die dig dii dir dis diu diz drd dre drg dri drr drs dru drz dsd dse dsg dsi dsr dss dsu dsz dud due dug dui dur dus duz dzd dze dzi dzr dzs dzu 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 erz es- esd ese esg esi esr ess esu eu- eud eue eug eui eur eus eze ezr ezs ezz g-d gdd gde gdi gdr gds gdu ge- ged gee geg gei ger ges geu gez ggd ggg ggi ggr ggs ggu ggz gid gie gig gii gir gis giu giz grd gre grg gri grr grs gru gsd gse gsg gsi gsr gss gsu gu- gud gue gug gui gur gus guu guz gzr gzu 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 iuz ize izi izu izz rdd rde rdg rdi rdr rds rdu re- red ree reg rei rer res reu rez rgd rge rgg rgi rgr rgs rid rie rig rii rir ris riz rrd rrg rri rrr rrs rru rsd rse rsg rsi rsr rss rsu rud rue rug rui rur rus ruu ruz rze sdd sde sdg sdi sdr sds sdu sdz se- sed see seg sei ser ses seu sez 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 ssz sud sue sug sui sur sus suu suz szd sze szi szr szu 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 urz usd use usg usi usr uss usu usz uue uug uur uus uuu uzi uzu z-g zds zed zee zer zes zez zgg zgi zgs zid zie zig zir zis ziz zrs zse zsg zsi zsu zsz zud zug zui zur zus zuz zzr zzs zzz