ouro ouu- raan rac- raca racc raci raco racu raia raic raii rail rain rair raiu rala rall ralo rana ranc rani rann rano raoc raol rara rari raro raua rauc raul raun rcac rccc rcic rcnl rcnr rcon riaa riai rial rian riau rica ricc rico riia riin rila rill rilo rilu rina rinn rino riol rion riou riri rlin rlua rnai rnal rnco rnin rnli roan roar roca rocc roco roia roil roin roio roir roiu rola roll rolo rona ronc roni rono rooi rool roon roor rora rorc rori roro roru roua roul roun rrna rrrr rrun ruan ruca ruci ruin rula rull rulo runa runc runi runn runo rura rurc ruri ruro ruru ruun uaca uair uaoc uarc uaru uaua ucai ucal ucan ucar ucca ucci ucil ucin ucio ucla ucon ucrc ucua uica uira uirr ulaa ulai ulan ular ulcc ulco ulic ulla ulli ullo ullr ulna ulno ulo- uloc ulua ulul unaa unac unai unal unan unar unau unca uncc unci uncl unco uni- unia unic unii unin unio unir unna unni unno unon unra unro uocc uolc uor- urac urai ural uran urao urau urca urci uria uric urin uriu urla urna urni uro- uroa urol uroo urra urri urun urur uulu uuni uuno uuoc uuri uuuu