-er c-- ccc cce ccg cck ccl ccr cct ccu ce- cec cee ceg cek cel cer cet ceu cgc cge cgg cgl cgr cgt cgu ckc ckt cl- clc cle clg clk cll clr clt clu crc cre crg crk crl crr crt cru ctc cte ctg ctk ctl ctr ctt ctu cuc cue cug cuk cul cur cut cuu ec- ecc ece ecg eck ecl ecr ect ecu eec eee eeg eek eel eer eet egc ege egg egl egr egt egu ekc eke ekg ekl ekr ekt eku elc ele elg elk ell elr elt elu erc ere erg erk erl err ert eru etc ete etg etk etl etr ett etu eu- euc eue eug eul eur eut gcc gce gcg gck gcl gcr gct gcu ge- gec gee geg gek gel ger get geu ggc ggg ggr ggt ggu gkt glc gle glg glk gll glr glt glu grc gre grg grk grl grr grt gru gtc gte gtg gtk gtl gtr gtt gtu gu- guc gue gug guk gul gur gut guu k-t kcc kce kcg kck kcl kcr kct kcu ke- kec kee keg kek kel ker ket kgc kgl kgu kkc kke kkk kkl kkr kkt kku kl- klc klg klr klt klu krc krg krk krl krr krt kru ktc kte ktg ktk ktl ktr ktt ktu kuc kue kug kuk kul kur kut kuu lcc lce lcg lck lcl lcr lct lcu lec lee leg lek lel ler let leu lgc lge lgg lgk lgl lgr lgt lgu lkg lkl lkr lkt llc lle llg llk lll llr llt llu lrc lrg lrk lrr lrt lru ltc lte ltg ltk ltl ltr ltt ltu luc lue lug luk lul lur lut luu rcc rce rcg rcl rcr rct rcu re- rec ree reg rek rel rer ret reu rgc rge rgg rgk rgr rgt rkc rke rkg rkk rkt rku rlc rle rlg rll rlr rlt rlu rrc rrg rrk rrl rrr rrt rru rtc rte rtg rtk rtl rtr rtt rtu ruc rue rug ruk rur rut ruu tcc tce tcg tck tcl tcr tct tcu te- tec tee teg tek tel ter tet teu tgc tge tgg tgk tgl tgr tgt tgu tkc tke tkg tkk tkl tkr tkt tlc tle tlg tlk tll tlr tlt tlu trc tre trg trk trl trr trt tru ttc tte ttg ttk ttl ttr ttt ttu tuc tue tug tuk tul tur tut tuu ucc uce ucg uck ucl ucr uct ucu uec uee ueg uel uer uet ugc uge ugg ugk ugl ugr ugt ugu ukc uke ukk ukl ukr uku ulc ule ulg ulk ull ulr ult ulu ur- urc ure urg urk url urr urt uru utc ute utk utl utr utt utu uuc uue uug uur uut uuu