-er -ic c-- ccc cce cci cck ccm ccr ccs cct ce- cec cee cei cek cem cer ces cet ci- cic cie cii cik cim cir cis cit ckc cki ckm cks ckt cmc cme cmi cmk cmm cmr cms cmt crc cre cri crk crm crr crs crt csc cse csi csk csm csr css cst ctc cte cti ctk ctm ctr cts ctt ec- ecc ece eci eck ecm ecr ecs ect eec eee eek eem eer ees eet eic eie eii eik eim eir eis eit ekc eke eki ekr eks ekt em- emc eme emi emk emm emr ems emt erc ere eri erk erm err ers ert es- esc ese esi esk esm esr ess est etc ete eti etk etm etr ets ett icc ice ici ick icm icr ics ict ie- iec iee iei iek iem ier ies iet iic iie iii iim iir iis iit ikc ike iki ikk ikr iks ikt im- imc ime imi imm ims imt ir- irc ire iri irk irm irr irs irt is- isc ise isi isk ism isr iss ist itc ite iti itk itm its itt k-t kcc kce kci kck kcm kcr kcs kct ke- kec kee kei kek kem ker kes ket kic kie kii kik kim kir kis kit kkc kke kki kkk kkm kkr kks kkt kmc kme kmi kmk kmm kms kmt krc kri krk krr krs krt ksc kse ksi ksk ksm ksr kss kst ktc kte ktk ktm ktr kts ktt m-r mc- mcc mce mci mck mcm mcr mcs mct mec mee mei mek mem mer mes met mi- mic mie mii mik mim mir mis mit mkc mke mkk mkm mkr mks mkt mmc mme mmi mmk mmm mmr mms mmt mrc mre mri mrk mrm mrr mrs mrt msc mse msi msk msm msr mss mst mtc mte mti mtk mtm mtr mts mtt rcc rce rci rcm rcr rcs rct re- rec ree rei rek rem rer res ret ric rie rii rik rim rir ris rit rkc rke rkk rkm rks rkt rmc rme rmi rmm rmr rms rmt rrc rri rrk rrm rrr rrs rrt rsc rse rsi rsk rsm rsr rss rst rtc rte rti rtk rtm rtr rts rtt scc sce sci sck scm scr scs sct se- sec see sei sek sem ser ses set sic sie sii sik sim sir sis sit sk- skc ske ski skk skm skr sks skt smc sme smi smk smm smr sms smt sr- src sre sri srk srm srr srs srt ss- ssc sse ssi ssk ssm ssr sss sst stc ste sti stk stm str sts stt tcc tce tci tck tcm tcr tcs tct te- tec tee tei tek tem ter tes tet tic tie tii tik tim tir tis tit tkc tke tkk tkm tkr tks tkt tmc tme tmi tmk tmm tmr tms tmt trc tre tri trk trm trr trs trt tsc tse tsi tsk tsm tsr tss tst ttc tte tti ttk ttm ttr tts ttt