-er eee eeg eek eeo eer ege egg egh ego egr ehe ehg ehh eho ehr eke ekg ekh eko ekr eo- eoe eog eoh eok eoo eor ere erg erh erk ero err ge- gee geg geh gek geo ger ggg ggh ggo ggr ghe ghg ghh gho ghr gkh gko goe gog goh gok goo gor gre grg grh grk gro grr he- hee heg heh hek heo her hge hgg hgh hgk hgo hgr hhe hhg hhh hhk hho hhr hkg hkh hkk hko hkr hoe hog hoh hok hoo hor hr- hre hrg hrh hrk hro hrr ke- kee keg keh kek keo ker kgh kgo khe khh khk kho khr kke kkh kkk kkr koe kog koh kok koo kor krg krk kro krr oee oeg oeh oeo oer oge ogg ogh ogo ohe ohg ohh oho ohr oke okg okk oko okr oo- oog ooh ook ooo oor or- ore org orh ork oro orr re- ree reg reh rek reo rer rge rgg rgh rgk rgo rgr rh- rhe rhg rhh rho rhr rke rkg rkk rko roe rog roh rok roo ror rrg rrh rrk rrr