reuen reuer reuin reuir reune riaan riaba riaga riana riang riban ribar ribbi riber ribie ribin ribup riein rieni rig-i rigan rigga rigne rigpa rigun rigup rinan riner ringa ringe ringu rinna rinne ripen riper ripne rippe ripup riria ririe rirpu riuen riuer rnpep rpain rraga rragb rrape rraup rripe ruana ruane ruang rubab rubai ruban rubba rubbi rubee ruben ruber rubia rubie rubin rubra rubup ruegg ruere rueun rugae rugen ruger rugge rugii rugin rugir ruina ruine ruing ruiru runan runer runga runge rungu runin runne runup rupai rupea rupee ruper rupia rupie rupin ruran u-n-i u-nii ubai ubari ubeen uber- ubirr ugena ugene uggia uggie ugine ugrin ugrug uibai uigur uinen unagi unapa unapi unara unari unaru unbag unban unbar unerp ungag ungar unger ungig ungra ungur unibe unige unini uninn unipi unnau unnun unnur unpar unpeg unpen unpeu unpin unrar unrep unrig unrip unrra unrug unrun unurn upara upbar upenn upier upiga upina uppar uppen upper uppie uppng uprun upuan upupa uraan uraba uraei uraga uran- urana urani urare urari urban urbar urbia urea- ureae urena urera urger urgun urian uribe urien urin- urine uring urpin urrea urria uruan urubu urupe ururi uuuuu