rtkg rtkn rtlt ruck ruct rugg rukk rukn ruku rulk rull rulo runc rung runk runn runo runt ruok rurc ruro ruru rutl ruto rutt rutu ruun tccc tccu tcnn tcon tctc tcul tgcc tgtc tkkg tkol tkon tlco tlgc tlon tncc tnut tock toco togo togr togt toko toku tol- tolk toll tolo tolt tolu tong tonk tonn tono tonu took tool toon toor toot torc torg tork torn toro torr tort toru totc toto totr tott toug touk toul toun tour tout trcc trcl trng trno troc trog tron troo trot trou trtc trtr truc trug truk trun trut truu ttcn ttkg tton tttt ttul tucc tuck tuco tugg tugu tuko tulk tull tulo tulu tunc tung tunk tunn tuno tunu tuor turc turg turk turn turo turr turt turu tutl tuto tutt tutu tuuo ucon ucrc ucut ugcc ugcg uggo uggt ugol ugro ugur uguu ukcc ukko uknc ukok ukon ukrc ukur ulcc ulco ullo ullr ulno ulo- uloc ulog ulto ultt uluk ulul uncc uncg uncl unco unct ungo ungu unkl unkn unko unno unon unro unto unut uocc uolc uor- urgu uro- urok urol uroo uruk urun urur urut utor utto uttu utug uulu uuno uuoc uuuu