rahna rahon ran-d ranau randa randd rando randr randu ranga rangh rango rangu ranho ranna ranno rannu ranon ranua raron rauda raugu rauna raung rauno rauon rhaon rhod- rhoda rhodo rhoga rhona rhoon ro-ro roana roann rodan rodau rodda rodna rodon rodor rogan rogha rogho rogna rogno rohan rohod rohru rohun ronan ronda rondo ronga rongo rongu ronno rooah roodu roond roong rorra rough round roung roura rraga rrand ruaha ruana ruang ruano rudan rudar rudha rudna rudno rudra rugao rugha rughh ruhnu runan runda rundu runga rungu runo- runon ruran u-god uanda uandd uarda uaroo udaan udana udand udara udhao udhar udora ugada ugong ugro- ugrug uh-oh uh-uh uhdoh uhhoh uhhuh uhura uhuru un-go unadd unadu unara unaru undog undug undun undur ungag ungar ungod ungon ungra ungud ungur unhad unhug unnao unnau unnun unnur unona unoor unorn unrar unrra unrug unruh unrun unurn uorga uraan uraga urago uran- urana urano urdog urgun urhan urour urrao uruan uuand uuard uurad uuuuu