-er ddd dde ddg ddh ddo ddr de- ded dee deg deh deo der dgd dge dgg dgh dgr dh- dhd dhe dhh dho dhr dod doe dog doh doo dor drd dre drg dro drr ed- edd ede edg edh edo edr eed eee eeg eeo eer egd ege egg egh ego egr ehd ehe ehg ehh eho ehr eo- eod eoe eog eoh eoo eor erd ere erg erh ero err g-d gdd gde gdh gdo gdr ge- ged gee geg geh geo ger ggd ggg ggh ggo ggr ghd ghe ghg ghh gho ghr god goe gog goh goo gor grd gre grg grh gro grr hdd hde hdg hdh hdo hdr he- hed hee heg heh heo her hge hgg hgh hgo hgr hhd hhe hhg hhh hho hhr hod hoe hog hoh hoo hor hr- hrd hre hrg hrh hro hrr odd ode odg odh odo odr oed oee oeg oeh oeo oer ogd oge ogg ogh ogo ohd ohe ohg ohh oho ohr oo- ood oog ooh ooo oor or- ord ore org orh oro orr rdd rde rdg rdh rdo rdr re- red ree reg reh reo rer rgd rge rgg rgh rgo rgr rh- rhd rhe rhg rhh rho rhr rod roe rog roh roo ror rrd rrg rrh rrr