-er -ic c-- ccc cce cci ccm ccr ccs cct ce- cec cee cei cem cer ces cet ci- cic cie cii cim cir cis cit cmc cme cmi cmm cmr cms cmt crc cre cri crm crr crs crt csc cse csi csm csr css cst ctc cte cti ctm ctr cts ctt ec- ecc ece eci ecm ecr ecs ect eec eee eem eer ees eet eic eie eii eim eir eis eit em- emc eme emi emm emr ems emt erc ere eri erm err ers ert es- esc ese esi esm esr ess est etc ete eti etm etr ets ett icc ice ici icm icr ics ict ie- iec iee iei iem ier ies iet iic iie iii iim iir iis iit im- imc ime imi imm ims imt ir- irc ire iri irm irr irs irt is- isc ise isi ism isr iss ist itc ite iti itm its itt m-r mc- mcc mce mci mcm mcr mcs mct mec mee mei mem mer mes met mi- mic mie mii mim mir mis mit mmc mme mmi mmm mmr mms mmt mrc mre mri mrm mrr mrs mrt msc mse msi msm msr mss mst mtc mte mti mtm mtr mts mtt rcc rce rci rcm rcr rcs rct re- rec ree rei rem rer res ret ric rie rii rim rir ris rit rmc rme rmi rmm rmr rms rmt rrc rri rrm rrr rrs rrt rsc rse rsi rsm rsr rss rst rtc rte rti rtm rtr rts rtt scc sce sci scm scr scs sct se- sec see sei sem ser ses set sic sie sii sim sir sis sit smc sme smi smm smr sms smt sr- src sre sri srm srr srs srt ss- ssc sse ssi ssm ssr sss sst stc ste sti stm str sts stt tcc tce tci tcm tcr tcs tct te- tec tee tei tem ter tes tet tic tie tii tim tir tis tit tmc tme tmi tmm tmr tms tmt trc tre tri trm trr trs trt tsc tse tsi tsm tsr tss tst ttc tte tti ttm ttr tts ttt