-er c-- ccc cce ccg ccn cco ccr ccs ccu ce- cec cee ceg cen ceo cer ces ceu cgc cge cgg cgn cgo cgr cgs cgu cn- cnc cne cng cnn cno cnr cns cnu co- coc coe cog con coo cor cos cou crc cre crg crn cro crr crs cru csc cse csg csn cso csr css csu cuc cue cug cun cuo cur cus cuu ec- ecc ece ecg ecn eco ecr ecs ecu eec eee eeg een eeo eer ees egc ege egg egn ego egr egs egu en- enc ene eng enn eno enr ens enu eo- eoc eoe eog eon eoo eor eos eou erc ere erg ern ero err ers eru es- esc ese esg esn eso esr ess esu eu- euc eue eug eun eur eus gcc gce gcg gcn gco gcr gcs gcu ge- gec gee geg gen geo ger ges geu ggc ggg ggn ggo ggr ggs ggu gnc gne gnn gno gnr gns gnu goc goe gog gon goo gor gos gou grc gre grg grn gro grr grs gru gsc gse gsg gsn gso gsr gss gsu gu- guc gue gug gun guo gur gus guu ncc nce ncg ncn nco ncr ncs ncu ne- nec nee neg nen neo ner nes neu ngc nge ngg ngn ngo ngs ngu nnc nne nng nnn nno nns nnu no- noc noe nog non noo nor nos nou nrc nre nrg nrn nro nrr nrs nru nsc nse nsg nsn nso nsr nss nsu nuc nue nug nun nuo nur nus nuu oc- occ ocg ocn oco ocr ocs ocu oec oee oeg oen oeo oer oes ogc oge ogg ogn ogo ogs on- onc one ong onn ono onr ons onu oo- ooc oog oon ooo oor oos or- orc ore org orn oro orr ors oru os- osc ose osg osn oso osr oss osu ou- ouc oue oun ouo our ous rcc rce rcg rcn rco rcr rcs rcu re- rec ree reg ren reo rer res reu rgc rge rgg rgn rgo rgr rgs rnc rng rnn rno rnr rns rnu roc roe rog ron roo ror ros rou rrc rrg rrn rrr rrs rru rsc rse rsg rsn rso rsr rss rsu ruc rue rug run ruo rur rus ruu scc sce scg scn sco scr scs scu se- sec see seg sen seo ser ses seu sgc sge sgg sgn sgo sgr sgs sgu snc sne sng snn sno snr sns snu soc soe sog son soo sor sos sou sr- src sre srg srn sro srr srs ss- ssc sse ssg ssn sso ssr sss ssu suc sue sug sun suo sur sus suu ucc uce ucg ucn uco ucr ucs ucu uec uee ueg uen uer ues ugc uge ugg ugn ugo ugr ugs ugu un- unc une ung unn uno unr uns unu uoc uoe uog uon uoo uor uos ur- urc ure urg urn uro urr urs uru usc use usg usn uso usr uss usu uuc uue uug uun uur uus uuu