-er ddd dde ddg ddi ddq ddr dds ddu de- ded dee deg dei deq der des deu dgd dge dgg dgi dgr dgs dgu di- did die dig dii diq dir dis diu dqe dqs drd dre drg dri drq drr drs dru dsd dse dsg dsi dsq 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 eqe eqq eqs equ erd ere erg eri erq err ers eru es- esd ese esg esi esq 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 gqs grd gre grg gri grq grr grs gru gsd gse gsg gsi gsr gss gsu gu- gud gue gug gui gur gus guu i-d idd ide idg idi idq idr ids idu ie- ied iee ieg iei ier ies igd ige igg igi igr igs igu iid iie iii iir iis iiu iqd iqe iqs iqu ir- ird ire irg iri irq irr irs iru is- isd ise isg isi isq isr iss isu iu- iud iue iug iui iur ius qdr qds qed qee qid qie qir qis qiu qqq qqu qre qrg qri qrs qru qsd qsi qsr qu- qud que qui qur qus rdd rde rdg rdi rdr rds rdu re- red ree reg rei req rer res reu rgd rge rgg rgi rgr rgs rid rie rig rii riq rir ris rqs rrd rrg rri rrq rrr rrs rru rsd rse rsg rsi rsq rsr rss rsu rud rue rug rui rur rus ruu sdd sde sdg sdi sdq sdr sds sdu se- sed see seg sei seq ser ses seu sgd sge sgg sgi sgr sgs sgu sid sie sig sii siq sir sis siu sqd sqi sqq sqr sqs sr- srd sre srg sri srq srr srs ss- ssd sse ssg ssi ssq ssr sss ssu sud sue sug sui suq 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 uiq uir uis uiu ur- urd ure urg uri urr urs uru usd use usg usi usr uss usu uue uug uur uus uuu