-er c-- ccc cce ccg ccn cco ccr ccs cct ccu ce- cec cee ceg cen ceo cer ces cet ceu cgc cge cgg cgn cgo cgr cgs cgt cgu cn- cnc cne cng cnn cno cnr cns cnt cnu co- coc coe cog con coo cor cos cot cou crc cre crg crn cro crr crs crt cru csc cse csg csn cso csr css cst csu ctc cte ctg ctn cto ctr cts ctt ctu cuc cue cug cun cuo cur cus cut cuu ec- ecc ece ecg ecn eco ecr ecs ect ecu eec eee eeg een eeo eer ees eet egc ege egg egn ego egr egs egt egu en- enc ene eng enn eno enr ens ent enu eo- eoc eoe eog eon eoo eor eos eot eou erc ere erg ern ero err ers ert eru es- esc ese esg esn eso esr ess est esu etc ete etg etn eto etr ets ett etu eu- euc eue eug eun eur eus eut gcc gce gcg gcn gco gcr gcs gct gcu ge- gec gee geg gen geo ger ges get geu ggc ggg ggn ggo ggr ggs ggt ggu gnc gne gnn gno gnr gns gnt gnu goc goe gog gon goo gor gos got gou grc gre grg grn gro grr grs grt gru gsc gse gsg gsn gso gsr gss gst gsu gtc gte gtg gtn gto gtr gts gtt gtu gu- guc gue gug gun guo gur gus gut guu ncc nce ncg ncn nco ncr ncs nct ncu ne- nec nee neg nen neo ner nes net neu ngc nge ngg ngn ngo ngs ngt ngu nnc nne nng nnn nno nns nnt nnu no- noc noe nog non noo nor nos not nou nrc nre nrg nrn nro nrr nrs nrt nru nsc nse nsg nsn nso nsr nss nst nsu ntc nte ntg ntn nto ntr nts ntt ntu nuc nue nug nun nuo nur nus nut nuu oc- occ ocg ocn oco ocr ocs oct ocu oec oee oeg oen oeo oer oes oet ogc oge ogg ogn ogo ogs ogt on- onc one ong onn ono onr ons ont onu oo- ooc oog oon ooo oor oos oot or- orc ore org orn oro orr ors ort oru os- osc ose osg osn oso osr oss ost osu ot- otc ote otg otn oto otr ots ott otu ou- ouc oue oun ouo our ous out rcc rce rcg rcn rco rcr rcs rct rcu re- rec ree reg ren reo rer res ret reu rgc rge rgg rgn rgo rgr rgs rgt rnc rng rnn rno rnr rns rnt rnu roc roe rog ron roo ror ros rot rou rrc rrg rrn rrr rrs rrt rru rsc rse rsg rsn rso rsr rss rst rsu rtc rte rtg rtn rto rtr rts rtt rtu ruc rue rug run ruo rur rus rut ruu scc sce scg scn sco scr scs sct scu se- sec see seg sen seo ser ses set seu sgc sge sgg sgn sgo sgr sgs sgt sgu snc sne sng snn sno snr sns snt snu soc soe sog son soo sor sos sot sou sr- src sre srg srn sro srr srs srt ss- ssc sse ssg ssn sso ssr sss sst ssu stc ste stg stn sto str sts stt stu suc sue sug sun suo sur sus sut suu tcc tce tcg tcn tco tcr tcs tct tcu te- tec tee teg ten teo ter tes tet teu tgc tge tgg tgn tgo tgr tgs tgt tgu tnc tne tng tnn tno tnr tns tnt to- toc toe tog ton too tor tos tot tou trc tre trg trn tro trr trs trt tru tsc tse tsg tsn tso tsr tss tst tsu ttc tte ttg ttn tto ttr tts ttt ttu tuc tue tug tun tuo tur tus tut tuu ucc uce ucg ucn uco ucr ucs uct ucu uec uee ueg uen uer ues uet ugc uge ugg ugn ugo ugr ugs ugt ugu un- unc une ung unn uno unr uns unt unu uoc uoe uog uon uoo uor uos uot ur- urc ure urg urn uro urr urs urt uru usc use usg usn uso usr uss ust usu utc ute utn uto utr uts utt utu uuc uue uug uun uur uus uut uuu