-er c-- ccc cce ccg cck ccr cct ccu ce- cec cee ceg cek cer cet ceu cgc cge cgg cgr cgt cgu ckc ckt crc cre crg crk crr crt cru ctc cte ctg ctk ctr ctt ctu cuc cue cug cuk cur cut cuu ec- ecc ece ecg eck ecr ect ecu eec eee eeg eek eer eet egc ege egg egr egt egu ekc eke ekg ekr ekt eku erc ere erg erk err ert eru etc ete etg etk etr ett etu eu- euc eue eug eur eut gcc gce gcg gck gcr gct gcu ge- gec gee geg gek ger get geu ggc ggg ggr ggt ggu gkt grc gre grg grk grr grt gru gtc gte gtg gtk gtr gtt gtu gu- guc gue gug guk gur gut guu k-t kcc kce kcg kck kcr kct kcu ke- kec kee keg kek ker ket kgc kgu kkc kke kkk kkr kkt kku krc krg krk krr krt kru ktc kte ktg ktk ktr ktt ktu kuc kue kug kuk kur kut kuu rcc rce rcg rcr rct rcu re- rec ree reg rek rer ret reu rgc rge rgg rgk rgr rgt rkc rke rkg rkk rkt rku rrc rrg rrk rrr rrt rru rtc rte rtg rtk rtr rtt rtu ruc rue rug ruk rur rut ruu tcc tce tcg tck tcr tct tcu te- tec tee teg tek ter tet teu tgc tge tgg tgk tgr tgt tgu tkc tke tkg tkk tkr tkt trc tre trg trk trr trt tru ttc tte ttg ttk ttr ttt ttu tuc tue tug tuk tur tut tuu ucc uce ucg uck ucr uct ucu uec uee ueg uer uet ugc uge ugg ugk ugr ugt ugu ukc uke ukk ukr uku ur- urc ure urg urk urr urt uru utc ute utk utr utt utu uuc uue uug uur uut uuu