-er c-- ccc cce ccg ccn ccr ccs ccu ce- cec cee ceg cen cer ces ceu cgc cge cgg cgn cgr cgs cgu cn- cnc cne cng cnn cnr cns cnu crc cre crg crn crr crs cru csc cse csg csn csr css csu cuc cue cug cun cur cus cuu ec- ecc ece ecg ecn ecr ecs ecu eec eee eeg een eer ees egc ege egg egn egr egs egu en- enc ene eng enn enr ens enu erc ere erg ern err ers eru es- esc ese esg esn esr ess esu eu- euc eue eug eun eur eus gcc gce gcg gcn gcr gcs gcu ge- gec gee geg gen ger ges geu ggc ggg ggn ggr ggs ggu gnc gne gnn gnr gns gnu grc gre grg grn grr grs gru gsc gse gsg gsn gsr gss gsu gu- guc gue gug gun gur gus guu ncc nce ncg ncn ncr ncs ncu ne- nec nee neg nen ner nes neu ngc nge ngg ngn ngs ngu nnc nne nng nnn nns nnu nrc nre nrg nrn nrr nrs nru nsc nse nsg nsn nsr nss nsu nuc nue nug nun nur nus nuu rcc rce rcg rcn rcr rcs rcu re- rec ree reg ren rer res reu rgc rge rgg rgn rgr rgs rnc rng rnn rnr rns rnu rrc rrg rrn rrr rrs rru rsc rse rsg rsn rsr rss rsu ruc rue rug run rur rus ruu scc sce scg scn scr scs scu se- sec see seg sen ser ses seu sgc sge sgg sgn sgr sgs sgu snc sne sng snn snr sns snu sr- src sre srg srn srr srs ss- ssc sse ssg ssn ssr sss ssu suc sue sug sun sur sus suu ucc uce ucg ucn ucr ucs ucu uec uee ueg uen uer ues ugc uge ugg ugn ugr ugs ugu un- unc une ung unn unr uns unu ur- urc ure urg urn urr urs uru usc use usg usn usr uss usu uuc uue uug uun uur uus uuu