purdi purga purin purna purra purua puugi puuri ra-ra raagi raagu raard radan radar radau raddi radi radia radii radir radun ragan ragda ragdi ragga raggi ragia ragin ragni raidi raiga raign raigu raina rainn raird ran-d ranai ranap ranau randa randd randi randr randu ranga rangi rangu rani- rania ranid ranin ranip ranna ranni rannu ranua ranup rapar rapga rapid rapin rappa rapur rarin rauda raugi raugu rauna raung rauni raupp riaan riada riaga riana riang ridan ridar ridin rig-i rigan rigga rigid rigpa rigun rigup rinan rinda rindi rindr rindu ringa ringu rinna ripup riria rirpu rpain rraga rrand rraup ruana ruang rudan rudar rudin rudna rudra rugii rugin rugir ruina ruing ruiru runan runda rundi rundu runga rungu runin runup rupai rupia rupin ruran u-n-i u-nii uanda uandd uandi uarda udaan udagi udana udand udara udgir udina udria udupi ugada ugadi uggia ugrin ugrug uigur unadd unadu unagi unapa unapi unara unari unaru undid undig undri undug undun undur ungag ungar ungig ungra ungud ungur unida unini uninn unipi unnau unnun unnur unpar unpin unrar unrid unrig unrip unrra unrug unrun unurn upand upara upard upiga upina uppar uppng uprun upuan upupa uraan uraga uran- urana urani urari urgun urian urin- uring urpin urria uruan ururi uuand uuard uurad uuuuu