rebia rebol rebop rebra reepe reere reile reill relap relau relee relie rella relli rello relue reoil reola reoli repar repel repla reple repop repor reppe repro repub rere- reree rerip rerir rerob reuap reuar reuel reuer reuil reuir reule reuli riaba riala rialp ribar ribbi ribel riber ribie ribo- ribup rieul riler rilla rille rillo riola rioli riolo riopa ripal ripel riper ripio riple rippe ripup riria ririe rirpu riual riuel riuer ro-ro roabe roale roall roaue robab robai robar robbe robbi robbo rober robie roble robo- robop robor robur roela roell roera roero roial roile rolao rolap roleo rolla rolle rollo rolpa rolua rooba rooer roole roopa roope roore rooue ropar roper ropia roppe roral rorbu rorer rorra rouba rouer roule roull roura roure rprop rrape rraup rripe ruala rubab rubai rubba rubbi rubee rubel ruber rubia rubie rubio ruble rubor rubra rubup ruele ruell ruere ruila ruili ruiru ruler rulli rullo rupai rupal rupea rupee rupel ruper rupia rupie rural ruule u-pop uaioe uapou uaroo ubai ubari ubble uber- ubirr ubobo uelia uibai uiro ulala ulali ulalu ulbra ulila ullal ullar ulloa ullur uloop ulpia ulpur uluia ulula ululu ulupi uluru uoiae uolba uouee upala upale upali upall upara upbar upier upolo upolu uppal uppar upper uppie uppli upupa uraba uraei urail urali uralo urare urari urbar urbia urea- ureae ureal urelu ureo- urera urial uribe uriel urlar urola uroob uropi urour urrao urrea urria urubu uruli urupe ururi uuuuu