-er ddd dde ddi ddm ddo ddr ddu de- ded dee dei dem deo der deu di- did die dii dim dio dir diu dmd dme dmi dmm dmo dmr dmu dod doe doi dom doo dor dou drd dre dri drm dro drr dru dud due dui dum duo dur ed- edd ede edi edm edo edr edu eed eee eem eeo eer eid eie eii eim eio eir eiu em- emd eme emi emm emo emr emu eo- eod eoe eoi eom eoo eor eou erd ere eri erm ero err eru eu- eud eue eui eur i-d idd ide idi idm ido idr idu ie- ied iee iei iem ier iid iie iii iim iio iir iiu im- imd ime imi imm imo imu io- iod ioe ioi iom ioo ior iou ir- ird ire iri irm iro irr iru iu- iud iue iui ium iur m-o m-r mdd mde mdi mdm mdo mdr mdu med mee mei mem meo mer meu mi- mid mie mii mim mio mir miu mmd mme mmi mmm mmo mmr mmu mod moe moi mom moo mor mou mrd mre mri mrm mro mrr mru mud mue mui mum mur muu o-i odd ode odi odm odo odr odu oed oee oei oem oeo oer oid oie oii oim oio oir oiu om- omd ome omi omm omo omr omu oo- ood ooi oom ooo oor or- ord ore ori orm oro orr oru ou- oud oue oui oum ouo our rdd rde rdi rdm rdo rdr rdu re- red ree rei rem reo rer reu rid rie rii rim rio rir rmd rme rmi rmm rmo rmr rod roe roi rom roo ror rou rrd rri rrm rrr rru rud rue rui rum ruo rur ruu udd ude udi udm udo udr udu ued uee uei uem uer uid uie uii uim uio uir uiu um- umd ume umi umm umo umr umu uod uoe uom uoo uor ur- urd ure uri urm uro urr uru uue uum uur uuu