-er c-- ccc cce ccg ccl ccn ccr ccs cct ccu ce- cec cee ceg cel cen cer ces cet ceu cgc cge cgg cgl cgn cgr cgs cgt cgu cl- clc cle clg cll cln clr cls clt clu cn- cnc cne cng cnl cnn cnr cns cnt cnu crc cre crg crl crn crr crs crt cru csc cse csg csl csn csr css cst csu ctc cte ctg ctl ctn ctr cts ctt ctu cuc cue cug cul cun cur cus cut cuu ec- ecc ece ecg ecl ecn ecr ecs ect ecu eec eee eeg eel een eer ees eet egc ege egg egl egn egr egs egt egu elc ele elg ell eln elr els elt elu en- enc ene eng enl enn enr ens ent enu erc ere erg erl ern err ers ert eru es- esc ese esg esl esn esr ess est esu etc ete etg etl etn etr ets ett etu eu- euc eue eug eul eun eur eus eut gcc gce gcg gcl gcn gcr gcs gct gcu ge- gec gee geg gel gen ger ges get geu ggc ggg ggn ggr ggs ggt ggu glc gle glg gll gln glr gls glt glu gnc gne gnl gnn gnr gns gnt gnu grc gre grg grl grn grr grs grt gru gsc gse gsg gsl gsn gsr gss gst gsu gtc gte gtg gtl gtn gtr gts gtt gtu gu- guc gue gug gul gun gur gus gut guu lcc lce lcg lcl lcn lcr lcs lct lcu lec lee leg lel len ler les let leu lgc lge lgg lgl lgn lgr lgs lgt lgu llc lle llg lll lln llr lls llt llu lnc lne lng lnl lnn lnr lns lnt lnu lrc lrg lrn lrr lrs lrt lru lsc lse lsg lsl lsn lsr lss lst lsu ltc lte ltg ltl ltr lts ltt ltu luc lue lug lul lun lur lus lut luu ncc nce ncg ncl ncn ncr ncs nct ncu ne- nec nee neg nel nen ner nes net neu ngc nge ngg ngl ngn ngs ngt ngu nlc nle nlg nll nln nlr nls nlt nlu nnc nne nng nnl nnn nns nnt nnu nrc nre nrg nrl nrn nrr nrs nrt nru nsc nse nsg nsl nsn nsr nss nst nsu ntc nte ntg ntn ntr nts ntt ntu nuc nue nug nul nun nur nus nut nuu rcc rce rcg rcl rcn rcr rcs rct rcu re- rec ree reg rel ren rer res ret reu rgc rge rgg rgn rgr rgs rgt rlc rle rlg rll rln rlr rls rlt rlu rnc rng rnn rnr rns rnt rnu rrc rrg rrl rrn rrr rrs rrt rru rsc rse rsg rsl rsn rsr rss rst rsu rtc rte rtg rtl rtn rtr rts rtt rtu ruc rue rug run rur rus rut ruu scc sce scg scl scn scr scs sct scu se- sec see seg sel sen ser ses set seu sgc sge sgg sgl sgn sgr sgs sgt sgu slc sle slg sll sln slr sls slt slu snc sne sng snl snn snr sns snt snu sr- src sre srg srl srn srr srs srt ss- ssc sse ssg ssl ssn ssr sss sst ssu stc ste stg stl stn str sts stt stu suc sue sug sul sun sur sus sut suu tcc tce tcg tcl tcn tcr tcs tct tcu te- tec tee teg tel ten ter tes tet teu tgc tge tgg tgl tgn tgr tgs tgt tgu tlc tle tlg tll tln tlr tls tlt tlu tnc tne tng tnl tnn tnr tns tnt trc tre trg trl trn trr trs trt tru tsc tse tsg tsl tsn tsr tss tst tsu ttc tte ttg ttl ttn ttr tts ttt ttu tuc tue tug tul tun tur tus tut tuu ucc uce ucg ucl ucn ucr ucs uct ucu uec uee ueg uel uen uer ues uet ugc uge ugg ugl ugn ugr ugs ugt ugu ulc ule ulg ull uln ulr uls ult ulu un- unc une ung unl unn unr uns unt unu ur- urc ure urg url urn urr urs urt uru usc use usg usl usn usr uss ust usu utc ute utl utn utr uts utt utu uuc uue uug uun uur uus uut uuu