ori- oria orie orif orig orin orio orna orne orni orno oro- oroe orof oron oror orra orri orro raaf raag raan raef raeg raen raer rafa rafe raff rafi raga rage ragg ragi rago raia raie raif raig raii rain rair rana rane rang rani rann rano rara rare rarf rari raro rea- reae reaf rean reao rear reef reen refe reff refg refi refn refr rega rege regi regn rego regr reia reif reii rein reir rena rene reng reni renn reno reof reog rera rere rerg reri rero rfae rfef rgan riaa riai rian rief rien rier rifa rife riff riga rige rigg rigi rigo riia riif riin rina rine rinf ring rinn rino rion rire riri rnaf rnag rnai rnie rnin roaf roag roan roar roea roeg roen roer rofe roff rofo roga roge rogg rogi rogo roia roif roig roin roio roir rona rone rong roni rono roof roog rooi roon roor rora rore rori roro rrif rrna rrrr