-er -ey eee eek eeo eer eey ehe ehh eho ehr eke ekh eko ekr eky eo- eoe eoh eok eoo eor ere erh erk ero err ery eye eyo eyr he- hee heh hek heo her hey hhe hhh hhk hho hhr hhy hkh hkk hko hkr hoe hoh hok hoo hor hoy hr- hre hrh hrk hro hrr hy- hye hyh hyo hyr hyy ke- kee keh kek keo ker key khe khh khk kho khr kke kkh kkk kkr kky koe koh kok koo kor koy krk kro krr kry kye kyo kyr oee oeh oeo oer oey ohe ohh oho ohr oke okk oko okr oo- ooh ook ooo oor or- ore orh ork oro orr ory oye oyo re- ree reh rek reo rer rey rh- rhe rhh rho rhr rke rkk rko rky roe roh rok roo ror roy rrh rrk rrr ry- rye ryk ryo ryr ryy yee yeh yek yeo yer yey yhe ykk yoe yok yoo yor yoy yre yro yye yyy