-er -ic c-- ccc cce ccg cci cco ccr cct ccu ce- cec cee ceg cei ceo cer cet ceu cgc cge cgg cgi cgo cgr cgt cgu ci- cic cie cig cii cio cir cit ciu co- coc coe cog coi coo cor cot cou crc cre crg cri cro crr crt cru ctc cte ctg cti cto ctr ctt ctu cuc cue cug cui cuo cur cut cuu ec- ecc ece ecg eci eco ecr ect ecu eec eee eeg eeo eer eet egc ege egg egi ego egr egt egu eic eie eig eii eio eir eit eiu eo- eoc eoe eog eoi eoo eor eot eou erc ere erg eri ero err ert eru etc ete etg eti eto etr ett etu eu- euc eue eug eui eur eut gcc gce gcg gci gco gcr gct gcu ge- gec gee geg gei geo ger get geu ggc ggg ggi ggo ggr ggt ggu gic gie gig gii gio gir git giu goc goe gog goi goo gor got gou grc gre grg gri gro grr grt gru gtc gte gtg gti gto gtr gtt gtu gu- guc gue gug gui guo gur gut guu icc ice icg ici ico icr ict icu ie- iec iee ieg iei ier iet igc ige igg igi igo igr igt igu iic iie iii iio iir iit iiu io- ioc ioe iog ioi ioo ior iot iou ir- irc ire irg iri iro irr irt iru itc ite itg iti ito itt itu iu- iuc iue iug iui iur iut o-i oc- occ ocg oci oco ocr oct ocu oec oee oeg oei oeo oer oet ogc oge ogg ogi ogo ogt oic oie oii oio oir oit oiu oo- ooc oog ooi ooo oor oot or- orc ore org ori oro orr ort oru ot- otc ote otg oti oto otr ott otu ou- ouc oue oui ouo our out rcc rce rcg rci rco rcr rct rcu re- rec ree reg rei reo rer ret reu rgc rge rgg rgi rgo rgr rgt ric rie rig rii rio rir rit roc roe rog roi roo ror rot rou rrc rrg rri rrr rrt rru rtc rte rtg rti rto rtr rtt rtu ruc rue rug rui ruo rur rut ruu tcc tce tcg tci tco tcr tct tcu te- tec tee teg tei teo ter tet teu tgc tge tgg tgi tgo tgr tgt tgu tic tie tig tii tio tir tit tiu to- toc toe tog toi too tor tot tou trc tre trg tri tro trr trt tru ttc tte ttg tti tto ttr ttt ttu tuc tue tug tui tuo tur tut tuu ucc uce ucg uci uco ucr uct ucu uec uee ueg uei uer uet ugc uge ugg ugi ugo ugr ugt ugu uic uie uig uii uio uir uit uiu uoc uoe uog uoo uor uot ur- urc ure urg uri uro urr urt uru utc ute uti uto utr utt utu uuc uue uug uur uut uuu