riano ridan ridar ridin rig-i rigan rigga rigid rigio rigor rigpa rigun rigup rinan rinda rindi rindr rindu ringa ringo ringu rinna rinoa rioni riopa ripio ripon ripup riria rirpu ro-ro roadi roana roann rodan rodau rodda roddi rodia rodin rodna rodon rodor rodri rogan rogna rogno rogoi roing ronai ronan ronda rondo ronga rongo rongu ronin ronno roodi roodu roond roong roopa ropar ropia ropid ropin rorid rorra round roung roura rpain rprop rraga rrand rraup ruana ruang ruano rudan rudar rudin rudna rudno rudra rugao rugii rugin rugir ruina ruing ruino ruiru runan runda rundi rundu runga rungu runin runo- runon runup rupai rupia rupin ruran u-god u-n-i u-nii u-pop uanda uandd uandi uapou uarda uaroo udaan udagi udana udand udara udgir udina udora udria udupi ugada ugadi uggia ugong ugrin ugro- ugrug uigur uiro un-go unadd unadu unagi unapa unapi unara unari unaru undid undig undog undri undug undun undur ungag ungar ungig ungod ungon ungra ungud ungur unida unido unigo unini uninn union unipi unnao unnau unnun unnur unona unoor unorn unpar unpin unrar unrid unrig unrip unrra unrug unrun unurn uorga up-do upand upara upard updog upido upiga upina upnor upona uppar uppng uppon uprun upuan upupa uraan uraga urago uran- urana urani urano urari urdog urdoi urgun urian urin- uring uropi urour urpin urrao urria uruan ururi uuand uuard uurad uuuuu