-er ddd dde ddi ddm ddq ddr dds ddu de- ded dee dei dem deq der des deu di- did die dii dim diq dir dis diu dmd dme dmi dmm dmr dms dmu dqe dqs drd dre dri drm drq drr drs dru dsd dse dsi dsm dsq dsr dss dsu dud due dui dum dur dus ed- edd ede edi edm edr eds edu eed eee eem eer ees eid eie eii eim eir eis eiu em- emd eme emi emm emr ems emu eqe eqq eqs equ erd ere eri erm erq err ers eru es- esd ese esi esm esq esr ess esu eu- eud eue eui eur eus i-d idd ide idi idm idq idr ids idu ie- ied iee iei iem ier ies iid iie iii iim iir iis iiu im- imd ime imi imm ims imu iqd iqe iqs iqu ir- ird ire iri irm irq irr irs iru is- isd ise isi ism isq isr iss isu iu- iud iue iui ium iur ius m-r mdd mde mdi mdm mdq mdr mds mdu med mee mei mem meq mer mes meu mi- mid mie mii mim miq mir mis miu mmd mme mmi mmm mmr mms mmu mqi mqr mrd mre mri mrm mrq mrr mrs mru msd mse msi msm msq msr mss msu mud mue mui mum mur mus muu qdr qds qed qee qem qid qie qir qis qiu qme qmi qmr qms qmu qqq qqu qre qri qrm qrs qru qsd qsi qsm qsr qu- qud que qui qum qur qus rdd rde rdi rdm rdr rds rdu re- red ree rei rem req rer res reu rid rie rii rim riq rir ris rmd rme rmi rmm rmq rmr rms rqm rqs rrd rri rrm rrq rrr rrs rru rsd rse rsi rsm rsq rsr rss rsu rud rue rui rum rur rus ruu sdd sde sdi sdm sdq sdr sds sdu se- sed see sei sem seq ser ses seu sid sie sii sim siq sir sis siu smd sme smi smm smr sms smu sqd sqi sqm sqq sqr sqs sr- srd sre sri srm srq srr srs ss- ssd sse ssi ssm ssq ssr sss ssu sud sue sui sum suq sur sus suu udd ude udi udm udr uds udu ued uee uei uem uer ues uid uie uii uim uiq uir uis uiu um- umd ume umi umm umr ums umu ur- urd ure uri urm urr urs uru usd use usi usm usr uss usu uue uum uur uus uuu