rurc rurd ruri ruru ruta ruti rutt rutu ruud taa- taar taat taba tabb tabc tabi tabu taca tacc taci tact tada taia tair tait taqa taqi taqu tara tarb tarc tard tari tarq tarr tart taru tata tatb tati tatr tatt tatu taua taub tauc taur taut tbar tbca tbcb tbcc tbcd tbit tbrb tbta tcad tcca tccc tccu tcdd tctc tdac tddb tdiq tdra tdri tiaa tiab tiar tiba tibi tibu tica ticc tidc tidd tiit tiiu tira tirb tird tiri tirr tiru tita titc titi titt titu traa trab trac trad trai trat trau trca trcc tri- tria trib tric trit trra trtc trtr trub truc trud trut truu ttab ttbb tttt tuar tuat tuba tubb tubr tubu tuca tucc tudi tudu tuit tuiu tura turb turc turd turi turr turt turu tuta tuti tutt tutu uabc uaca uair uarc uart uaru uata uatu uaua ubac ubar ubba ubbi ubic ubid ubii ubir ubit ubra ubud ucad ucai ucar ucat ucbc ucca ucci ucdc ucdd ucrc ucua ucut udaa udad udar udau udbc udca uddi udic udid udir udra uica uira uirr uqac uqar uqat uqcc urac urad urai urat urau urba urbi urca urci urda urdu uria urib uric uriu urra urri uruq urur urut utac utai utau utia utid utri utti uttu utuq uuri uuta uuuu