redu reed reha rehe rehi reia reid reii reir reiu rera rerd rere reri reru reue reuu rhae rhau rhce rhea rhee rhue riaa riad riah riai riau rica ricc rice rich rida ridc ridd ride ridi ried rier rieu riha riia rire riri riue rrad rrah rred rrrr ruad ruah ruca ruce ruch ruci ruda rudd rude rudi rued ruer ruhe ruhh ruhi ruhr ruid rura rurc rurd rure ruri ruru ruud u-ie uaca uair uarc uaru uaua ucad ucai ucar ucca ucci ucdc ucdd ucea ucha uche uchi ucrc ucua udaa udad udar udau udca uddi udea uder udic udid udir udra ueda ueir uh-d uhde uher uhid uhuh uica uira uirr urac urad urai urau urca urch urci urda urde urdu ure- urea ured ureh uria uric urie uriu urra urre urrh urri urur uuri uuuu