-er -ic c-- ccc cce ccg cci ccm ccr cct ce- cec cee ceg cei cem cer cet cgc cge cgg cgi cgm cgr cgt ci- cic cie cig cii cim cir cit cmc cme cmg cmi cmm cmr cmt crc cre crg cri crm crr crt ctc cte ctg cti ctm ctr ctt ec- ecc ece ecg eci ecm ecr ect eec eee eeg eem eer eet egc ege egg egi egm egr egt eic eie eig eii eim eir eit em- emc eme emg emi emm emr emt erc ere erg eri erm err ert etc ete etg eti etm etr ett gcc gce gcg gci gcm gcr gct ge- gec gee geg gei gem ger get ggc ggg ggi ggm ggr ggt gic gie gig gii gim gir git gmc gme gmg gmi gmm gmr gmt grc gre grg gri grm grr grt gtc gte gtg gti gtm gtr gtt icc ice icg ici icm icr ict ie- iec iee ieg iei iem ier iet igc ige igg igi igm igr igt iic iie iii iim iir iit im- imc ime img imi imm imt ir- irc ire irg iri irm irr irt itc ite itg iti itm itt m-r mc- mcc mce mcg mci mcm mcr mct mec mee meg mei mem mer met mgc mge mgi mgm mgr mgt mi- mic mie mig mii mim mir mit mmc mme mmg mmi mmm mmr mmt mrc mre mrg mri mrm mrr mrt mtc mte mtg mti mtm mtr mtt rcc rce rcg rci rcm rcr rct re- rec ree reg rei rem rer ret rgc rge rgg rgi rgr rgt ric rie rig rii rim rir rit rmc rme rmg rmi rmm rmr rmt rrc rrg rri rrm rrr rrt rtc rte rtg rti rtm rtr rtt tcc tce tcg tci tcm tcr tct te- tec tee teg tei tem ter tet tgc tge tgg tgi tgm tgr tgt tic tie tig tii tim tir tit tmc tme tmg tmi tmm tmr tmt trc tre trg tri trm trr trt ttc tte ttg tti ttm ttr ttt