rari raua raub rauc raue raul rbbb rbbr rbcl rbgh rble rcac rcbc rccb rccc rcga rcgc rchb rcic rcle rcrg rea- reac reae real rear reau reba rebb rebe rebu reca recc rece rech reci recr recu reeb reel rega rege regi regl regr regu reha rehb rehe rehi reia reii reil reir reiu rela relb rele rell rera rere rerg reri reru reue reul reuu rgba rgbe rgbi rhae rhag rhau rhbg rhce rhcg rhea rheb rhee rhib rhli rhue rhug riaa riab riah riai rial riau rib- riba ribe ribu rica ricc rice rich riel rier rieu riga rige rigg righ rigi rigu riha riia rila rile rill rilu rire riri riue rlab rlcg rlee rleu rlua rlug rrah rrle rrrr ruag ruah ruba rubb rube rubi rubu ruca ruce ruch ruci ruel ruer ruga ruge rugg rugh rugi ruhe ruhh ruhi ruhl ruhr rula rule rull rura rurc rure ruri ruru u-ie uabc uaca uair uarc uaru uaua ubac ubal ubar ubba ubbe ubbi uber ubic ubii ubir ubla uble ubli ubra ucai ucal ucar ucbc ucca ucci ucea ucel ucha uche uchi ucil ucla ucrc ucua ueba ueir uele ueli uell ugab ugal ugar ugcc ugcg ughe ughi ugia ugli ugra ugri ugur uguu uhcl uher uhle uhuh uica uige uile uira uirr ulaa ulae ulai ular ulbc ulcc ulch ulea uleb ulee ulic ulie ulla ulle ulli ullr ulua ulul urac urai ural urau urba urbe urbi urca urch urci ure- urea ureh urga urge urgh urgi urgu uria urib uric urie uriu urla urle urra urre urrh urri urur uulu uuri uuuu