tddb tdor tdri tibi tibu ticc tico tidc tidd tiit tiiu tiop tiou tip- tipc tipi tipo tipp tipt tipu tirb tird tiri tiro tirr tiru titc titi tito titp titt titu tobi tobo tobt tobu toci toco todd todi todo todt todu toid toit tood toor toot top- topd topi topo topp topt topu torc tord tori toro torp torr tort toru totc totd toti toto totr tott toui toup tour tout tpcd tpcp tpdu tpir tppd tppp tppr tptp tptr tput trcc tri- trib tric trio trip trit troc trod troi troo trop trot trou trpc trpp trtc trtr trub truc trud trut truu ttbb ttcp ttop tttt tubb tubo tubr tubu tucc tuco tudi tudu tuit tuiu tuor tupi tupo tupu turb turc turd turi turo turp turr turt turu tuti tuto tutt tutu tuuo u-rp ubbi ubbo ubic ubid ubii ubir ubit uboc ubod ubpc ubud ucbc ucci uccp ucdc ucdd ucio ucpb ucrc ucut udbc uddi udic udid udir udoo udop udot udpd uipi uirr uocc uor- upci updo upic upor uppc uppp uppu upri upto upup urbi urci urdu urib uric uriu uro- uroo urpo urri urup urur urut utid utor utpd utri utti utto uttu uucp uuoc uuri uuuu