luta luti luua raab raaj raat raba rabb rabi rabl rabu rac- raca racc raci ract racu raia raic raii rail rair rait raiu raja raji raju rala ralb rall ralt rara rarb rari rata rati ratt ratu raua raub rauc raul raut rbbb rbbr rbcl rcac rcbc rccb rccc rcic rctc rcti riaa riab riai rial riat riau rib- riba ribu rica ricc rict riia riji rila rill rilu riri rita riti ritl ritt ritu rlab rlua rrat rrrr rtai rtca rtcc rtlt ruba rubb rubi rubu ruca ruci ruct ruit ruja rula rull rura rurc ruri ruru ruta ruti rutl rutt rutu taa- taal taar taat taba tabb tabc tabi tabl tabu taca tacc taci tacl tact taia tail tair tait taju tala talc tali tall talu tara tarb tarc tari tarr tart taru tata tatb tati tatr tatt tatu taua taub tauc taul taur taut tbar tbca tbcb tbcc tbil tbit tbrb tbta tcca tccc tccu tctc tcul tiaa tiab tial tiar tiba tibi tibu tica ticc tiit tiiu tiji tila till tilr tilt tira tirb tiri tirl tirr tiru tita titc titi titt titu tlac tlli traa trab trac trai tral trat trau trca trcc trcl tri- tria trib tric tril trit trra trtc trtr trub truc trut truu ttab ttbb tttt ttul tual tuar tuat tuba tubb tubr tubu tuca tucc tuil tuit tuiu tuja tula tuli tull tulu tura turb turc turi turr turt turu tuta tuti tutl tutt tutu uabc uaca uair uarc uart uaru uata uatu uaua ubac ubal ubar ubba ubbi ubic ubii ubir ubit ubja ubla ubli ubra ucai ucal ucar ucat ucbc ucca ucci ucil ucla ucrc ucua ucut uica uira uirr ulaa ulai ular ulbc ulcc ulic ulja ulla ulli ullr ulta ulti ultt ulua ulul urac urai ural urat urau urba urbi urca urci uria urib uric uriu urla urra urri urur urut utac utai utal utau utia util utri utti uttu uulu uuri uuta uuuu