radeh rader radha raeda raerd rahab raheb rahed rarae rareb rared raree rarer rauda reada readd reade rear- reard reaue rebab rebar rebbe reber rebra rebud redab redar redbd redde redea reder redhu redor redub redur reede reere reerh rehab rehar rehau rehed reher rehoe rehua rehue reord rerde rere- reree rerob reuar reuer rhabd rhade rharb rhead rheae rheda rhede rheo- rhod- rhoda rhode rhodo rhoeo ro-ro roabe roadb roade roaue robab robar robbe robbo robed rober robo- robor robur rodau rodbo rodda rodde rodea roded rodeo roder rodor roera roero rohde rohob rohod rohru rooah rooba roode roodu rooer roore rooue rorbu rorer rorra rouba roude rouer rouhe roura roure rrhea ruade ruaha rubab rubba rubee ruber rubor rubra rudar ruder rudha rudra rueda ruede ruere ruhab ruhub rurde u-dub uarda uaroo uber- ubobo udara udare udder udhao udhar udora udrea uh-ee uh-oh uh-uh uhdoh uhhoh uhhuh uhura uhuru uouee uraba urare urbar urdee urea- ureae uredo ureo- urera uroob urour urrao urrea urubu uuard uurad uuuuu