mummu mumra murak mural murar murau murga murgh murla murra murrh murru murua muruk murum muuga ra-ra raaba raagu raakh rabab rabah rabak rabal rabba rabha rabul ragah ragam ragga raghu rahab rahal raham rahma rahul rakaa rakab rakah rakam ralla ramah ramak ramal ramar ramba ramla ramma rammu ramul rarbg raugu rauma rhamu rharb rhuma rhumb rraga rragb ruaha ruaka ruala ruark rubab rubba rubra rugal rugha rughh rugla rugma ruhab ruhla ruhub rukla rumah rumal rumba rummu rurak rural rurka ugala uggla ugluk ugrug uh-uh uhaul uhhuh uhura uhuru ukala ukhra ukrah ukula ukuma ukuug ulala ulalu ulama ulbra ullah ullak ullal ullam ullar ullur ulrum uluka ulula ululu uluru umaga umala umaru umbar umblu umbra umhum ummah umrah uraba uraga urbar urgal urlam urlar urram urubu uruma uugla uumaa uuuuu