suor suos sur- sura surd suro surr surs surt suru sus- susa susd suso suss sust susu suta suto sutu suus taa- taar taas taat taba tabb tabo tabs tabu tada tado tads taoa taor taos taou tara tarb tard taro tarr tars tart taru tasa tasb tasr tass tast tasu tata tatb tato tatr tats tatt tatu taua taub taur taus taut tbar tbas tbbs tbrb tbst tbta tddb tdor tdra tdss toab toad toas toat toau toba tobo tobs tobt tobu toda todd todo tods todt todu tooa tood toor toos toot tora tord toro torr tors tort toru tosa tosb toso toss tost tosu tota totd toto totr tots tott tour tous tout traa trab trad trao tras trat trau troa trod troo tros trot trou trra trsd trst trtr trub trud trus trut truu tsaa tsao tsar tsat tsau tsbd tsdb tsob tsos tsou tssa tssr tsst tsts ttab ttbb ttss tttt tuao tuar tuas tuat tuba tubb tubo tubr tubs tubu tudu tuor tuos tura turb turd turo turr turs turt turu tusa tusd tuss tust tuta tuto tuts tutt tutu tuuo uars uart uaru uasa uasd uata uatu uaua ubar ubba ubbo ubod ubos ubra ubud udaa udad udar udas udau udds udoo udos udot udra udsd udts uor- urad urao uras urat urau urba urbs urda urds urdu uro- uroa uroo urra ursa urso urss ursu urts urur urus urut us-a usaa usad usar usas usat usba usbr usbs usda usdo usds usdt usos usra ussa ussb ussr usss usst ussu usta ustb usto usts usua usus utas utau utor utsa utto uttu uuta uuuu