-er -ic c-- ccc cce ccg cci ccm ccr ccs cct ce- cec cee ceg cei cem cer ces cet cgc cge cgg cgi cgm cgr cgs cgt ci- cic cie cig cii cim cir cis cit cmc cme cmg cmi cmm cmr cms cmt crc cre crg cri crm crr crs crt csc cse csg csi csm csr css cst ctc cte ctg cti ctm ctr cts ctt ec- ecc ece ecg eci ecm ecr ecs ect eec eee eeg eem eer ees eet egc ege egg egi egm egr egs egt eic eie eig eii eim eir eis eit em- emc eme emg emi emm emr ems emt erc ere erg eri erm err ers ert es- esc ese esg esi esm esr ess est etc ete etg eti etm etr ets ett gcc gce gcg gci gcm gcr gcs gct ge- gec gee geg gei gem ger ges get ggc ggg ggi ggm ggr ggs ggt gic gie gig gii gim gir gis git gmc gme gmg gmi gmm gmr gms gmt grc gre grg gri grm grr grs grt gsc gse gsg gsi gsm gsr gss gst gtc gte gtg gti gtm gtr gts gtt icc ice icg ici icm icr ics ict ie- iec iee ieg iei iem ier ies iet igc ige igg igi igm igr igs igt iic iie iii iim iir iis iit im- imc ime img imi imm ims imt ir- irc ire irg iri irm irr irs irt is- isc ise isg isi ism isr iss ist itc ite itg iti itm its itt m-r mc- mcc mce mcg mci mcm mcr mcs mct mec mee meg mei mem mer mes met mgc mge mgi mgm mgr mgs mgt mi- mic mie mig mii mim mir mis mit mmc mme mmg mmi mmm mmr mms mmt mrc mre mrg mri mrm mrr mrs mrt msc mse msg msi msm msr mss mst mtc mte mtg mti mtm mtr mts mtt rcc rce rcg rci rcm rcr rcs rct re- rec ree reg rei rem rer res ret rgc rge rgg rgi rgr rgs rgt ric rie rig rii rim rir ris rit rmc rme rmg rmi rmm rmr rms rmt rrc rrg rri rrm rrr rrs rrt rsc rse rsg rsi rsm rsr rss rst rtc rte rtg rti rtm rtr rts rtt scc sce scg sci scm scr scs sct se- sec see seg sei sem ser ses set sgc sge sgg sgi sgm sgr sgs sgt sic sie sig sii sim sir sis sit smc sme smg smi smm smr sms smt sr- src sre srg sri srm srr srs srt ss- ssc sse ssg ssi ssm ssr sss sst stc ste stg sti stm str sts stt tcc tce tcg tci tcm tcr tcs tct te- tec tee teg tei tem ter tes tet tgc tge tgg tgi tgm tgr tgs tgt tic tie tig tii tim tir tis tit tmc tme tmg tmi tmm tmr tms tmt trc tre trg tri trm trr trs trt tsc tse tsg tsi tsm tsr tss tst ttc tte ttg tti ttm ttr tts ttt