cccc cccu ccgc ccgt ccoc ccrc ccrg ccrt cctc cctt ccuc ccut cgcc cgcg cgro cgtu coco coct cocu cogo coot cor- corc corg coro corr cort cotc coto cott cotu cour cout crcc crcr croc croo cror crot crrt crtc crug crut ctgu ctor ctot ctrc cucc curo curr curt cut- cutc cuto cutt gc-c gccc gcrg gctc gggg gocr gogo goog goor goot gorg goro gorr gort goto gott gou- goug gour gout grcc groc grog groo gror grot grou grrr grtc grug grur grut gtco gtcr gugg gugu gurg guro gurr gurt guru guto gutt gutu occc occt ocro ocrr oct- octo ocur ogog ogou ogro oocr oooo oort orco orgo oro- oror orot orro ortc orto oto- otog otoo otor otro otto ottu otur oucc our- ouro ourt out- outo ouu- rccc rcgc rcrg rctc rctg rgtr rocc roco rogg rogo roog roor root rorc roro rort roru rotc rotg roto rotr rott rout rrrr rtcc rtcg ruct rugg rurc ruro ruru ruto rutt rutu tccc tccu tctc tgcc tgtc toco togo togr togt toor toot torc torg toro torr tort toru totc toto totr tott toug tour tout trcc troc trog troo trot trou trtc trtr truc trug trut truu tttt tucc tuco tugg tugu tuor turc turg turo turr turt turu tuto tutt tutu tuuo ucrc ucut ugcc ugcg uggo uggt ugro ugur uguu uocc uor- urgu uro- uroo urur urut utor utto uttu utug uuoc uuuu