realo rear- reaue reere reerh rehak rehal rehar rehau reher rehoe rehua rehue rekel rekha rekka rekke rekle rekoa relau relee relek relko rella rello relue reola rere- reree reuar reuel reuer reule rheae rheo- rhoeo rhoka ro-ro roale roall roark roaue roela roell roera roero rohal rohel rohle rohru rokal rokee roker rokke rokkk rokle rokua rolao roleo rolla rolle rollo rolok rolua rooah rooer rooke rookh roole roore rooue roral rorer rorke rorra rouer rouhe rouke rouko roule roulk roull roura roure rrhea ruaha ruaka ruala ruark ruehl ruele ruell ruere ruhla ruhle rukel rukke rukla ruler rullo rurak rural rurka ruule uaroo uh-ee uh-oh uh-uh uhaul uhhoh uhhuh uhler uhura uhuru ukaea ukala ukeke ukhra ukrah ukula ulala ulalu ulker ullah ullak ullal ullar ulloa ullur uluka ulula ululu uluru uouee uralo urare urea- ureae ureal urelu ureo- urera urkel urker urlar urola urour urrao urrea uuork uuuuu