rouh roun rrah rrna rrrr rrun ruag ruah ruan ruba rubb rubu rufa ruff rufo ruga rugg rugh ruhh ruhn ruhr runa runf rung runn runo rura ruro ruru ruun uafa uang uaru uaua ubar ubba ubbo ubon ubra ufag uffa ufra ugab ugao ugar uggo ugra ugro ugur uguu uhna uhno uhoh uhuh unaa unan unar unau unga ungo ungu unha unna unno unon unra unrf unro uofa uofg uofo uor- uran urao urau urba urfa urff urga urgh urgu urho urna uro- uroa uroo urra urrh urun urur uuno uuuu