rrun ruag ruah ruan ruca ruch ruga rugg rugh ruhh ruhn ruhr ruja runa runc rung runn runo rura rurc ruro ruru ruun uaca uang uaoc uarc uaru uaua ucan ucar ucca ucha ucho ucon ucrc ucua ugao ugar ugcc ugcg uggo ugra ugro ugur uguu uhna uhno uhoh uhuh ujan ujna unaa unac unan unar unau unca uncc uncg unch unco unga ungo ungu unha unna unno unon unra unro uocc uor- urac uran urao urau urca urch urga urgh urgu urho urna uro- uroa uroo urra urrh urun urur uuno uuoc uuuu