ragoo rahal rahul ralla ralle rallo raoul rarae raree rarer raugu reale realo rear- reaue reege reere reerh regal regar regau regel reger regga regge reggo regla regle regul regur rehal rehar rehau reher rehoe rehua rehue relau relee rella rello relog relue reola reorg rere- reree reuar reuel reuer reule rhage rheae rheo- rhoeo rhoga ro-ro roage roale roall roaue roela roell roera roero rogal roger rogge rogha roghe rogho rogla rogue rohal rohel rohle rohru rolag rolao roleo rolga rolla rolle rollo rolua rooah rooer rooge roole roore rooue roral rorer rorra rouer rouge rough rouhe roule roull roura roure rraga rrhea ruaha ruala ruegg ruehl ruele ruell ruere rugae rugal rugao ruger rugge rugha rughe rughh rugla ruhla ruhle ruler rullo rural ruule uaroo ugala uggla uggle ugola ugro- ugrug uh-ee uh-oh uh-uh uhaul uhhoh uhhuh uhler uhura uhuru ulala ulalu ulger ullah ullal ullar ulloa ullur ulula ululu uluru uorga uouee uraga urago uralo urare urea- ureae ureal urelu ureo- urera urgal urgel urger urlar urola urour urrao urrea uugla uuuuu