-er ddd dde ddi ddm ddo ddr dds ddu de- ded dee dei dem deo der des deu di- did die dii dim dio dir dis diu dmd dme dmi dmm dmo dmr dms dmu dod doe doi dom doo dor dos dou drd dre dri drm dro drr drs dru dsd dse dsi dsm dso dsr dss dsu dud due dui dum duo dur dus ed- edd ede edi edm edo edr eds edu eed eee eem eeo eer ees eid eie eii eim eio eir eis eiu em- emd eme emi emm emo emr ems emu eo- eod eoe eoi eom eoo eor eos eou erd ere eri erm ero err ers eru es- esd ese esi esm eso esr ess esu eu- eud eue eui eur eus i-d idd ide idi idm ido idr ids idu ie- ied iee iei iem ier ies iid iie iii iim iio iir iis iiu im- imd ime imi imm imo ims imu io- iod ioe ioi iom ioo ior ios iou ir- ird ire iri irm iro irr irs iru is- isd ise isi ism iso isr iss isu iu- iud iue iui ium iur ius m-o m-r mdd mde mdi mdm mdo mdr mds mdu med mee mei mem meo mer mes meu mi- mid mie mii mim mio mir mis miu mmd mme mmi mmm mmo mmr mms mmu mod moe moi mom moo mor mos mou mrd mre mri mrm mro mrr mrs mru msd mse msi msm mso msr mss msu mud mue mui mum mur mus muu o-i odd ode odi odm odo odr ods odu oed oee oei oem oeo oer oes oid oie oii oim oio oir ois oiu om- omd ome omi omm omo omr oms omu oo- ood ooi oom ooo oor oos or- ord ore ori orm oro orr ors oru os- osd ose osi osm oso osr oss osu ou- oud oue oui oum ouo our ous rdd rde rdi rdm rdo rdr rds rdu re- red ree rei rem reo rer res reu rid rie rii rim rio rir ris rmd rme rmi rmm rmo rmr rms rod roe roi rom roo ror ros rou rrd rri rrm rrr rrs rru rsd rse rsi rsm rso rsr rss rsu rud rue rui rum ruo rur rus ruu sdd sde sdi sdm sdo sdr sds sdu se- sed see sei sem seo ser ses seu sid sie sii sim sio sir sis siu smd sme smi smm smo smr sms smu sod soe soi som soo sor sos sou sr- srd sre sri srm sro srr srs ss- ssd sse ssi ssm sso ssr sss ssu sud sue sui sum suo sur sus suu udd ude udi udm udo udr uds udu ued uee uei uem uer ues uid uie uii uim uio uir uis uiu um- umd ume umi umm umo umr ums umu uod uoe uom uoo uor uos ur- urd ure uri urm uro urr urs uru usd use usi usm uso usr uss usu uue uum uur uus uuu