-er ddd dde ddh ddm ddo ddr ddu de- ded dee deh dem deo der deu dh- dhd dhe dhh dhm dho dhr dhu dmd dme dmh dmm dmo dmr dmu dod doe doh dom doo dor dou drd dre drm dro drr dru dud due duh dum duo dur ed- edd ede edh edm edo edr edu eed eee eem eeo eer ehd ehe ehh ehm eho ehr ehu em- emd eme emh emm emo emr emu eo- eod eoe eoh eom eoo eor eou erd ere erh erm ero err eru eu- eud eue eur hdd hde hdh hdm hdo hdr hdu he- hed hee heh hem heo her heu hhd hhe hhh hhm hho hhr hhu hmd hme hmh hmm hmo hmr hmu hod hoe hoh hom hoo hor hou hr- hrd hre hrh hrm hro hrr hru hud hue huh hum huo hur huu m-o m-r mdd mde mdh mdm mdo mdr mdu med mee meh mem meo mer meu mhd mhh mhm mho mhr mhu mmd mme mmh mmm mmo mmr mmu mod moe moh mom moo mor mou mrd mre mrh mrm mro mrr mru mud mue muh mum mur muu odd ode odh odm odo odr odu oed oee oeh oem oeo oer ohd ohe ohh ohm oho ohr ohu om- omd ome omh omm omo omr omu oo- ood ooh oom ooo oor or- ord ore orh orm oro orr oru ou- oud oue ouh oum ouo our rdd rde rdh rdm rdo rdr rdu re- red ree reh rem reo rer reu rh- rhd rhe rhh rhm rho rhr rhu rmd rme rmh rmm rmo rmr rod roe roh rom roo ror rou rrd rrh rrm rrr rru rud rue ruh rum ruo rur ruu udd ude udm udo udr udu ued uee ueh uem uer uhd uhe uhh uhm uho uhr uhu um- umd ume umh umm umo umr umu uod uoe uom uoo uor ur- urd ure urm uro urr uru uue uum uur uuu