eeeee eeler eheke ekker ekuku ekuru elele ellek ellel eller ellul elulu eluru erere erkel eruke euell euhel euler eurel eurre he-he heele heere hekel heker hekk- helek heler helle helre helue herek herel herke herle herre heruk herur heuer heule heure hhhhh hrere huere huhuh huker huleh huler hulle hureh hurel hurll hurre huuru keele keere kehek kehel keleh kelek kelle kerek kerel kerle kerre kheer khull khuru khuur klerk kluke kreek kreel krehl kreke krele krell kreuk krull kuehl kuheh kuhle kukel kukle kukur kullu kulul kulur kureh kurek kurku kurlu kurre kuruk leeke leell leere lehel lehre lekel lekeu leleu lelle lerer leuk- leuke luker lukre luleh lulle lulul lurer lurue reere reerh reher rehue rekel rekke rekle relee relek relue rere- reree reuel reuer reule ruehl ruele ruell ruere ruhle rukel rukke ruler ruule uh-ee uh-uh uhhuh uhler uhuru ukeke ulker ullur ululu uluru urelu urkel urker uuuuu