-er -ic c-- ccc cce cci cck ccl ccm ccr ce- cec cee cei cek cel cem cer ci- cic cie cii cik cil cim cir ckc cki ckm cl- clc cle cli clk cll clm clr cmc cme cmi cmk cml cmm cmr crc cre cri crk crl crm crr ec- ecc ece eci eck ecl ecm ecr eec eee eek eel eem eer eic eie eii eik eil eim eir ekc eke eki ekl ekr elc ele eli elk ell elm elr em- emc eme emi emk eml emm emr erc ere eri erk erl erm err icc ice ici ick icl icm icr ie- iec iee iei iek iel iem ier iic iie iii iil iim iir ikc ike iki ikk ikl ikr il- ilc ile ili ilk ill ilm ilr im- imc ime imi iml imm ir- irc ire iri irk irl irm irr kcc kce kci kck kcl kcm kcr ke- kec kee kei kek kel kem ker kic kie kii kik kil kim kir kkc kke kki kkk kkl kkm kkr kl- klc kli klm klr kmc kme kmi kmk kml kmm krc kri krk krl krr lcc lce lci lck lcl lcm lcr lec lee lei lek lel lem ler lic lie lii lik lil lim lir lkl lkr llc lle lli llk lll llm llr lmc lme lmi lmk lml lmm lmr lrc lri lrk lrm lrr m-r mc- mcc mce mci mck mcl mcm mcr mec mee mei mek mel mem mer mi- mic mie mii mik mil mim mir mkc mke mkk mkl mkm mkr mlc mle mli mlk mll mlm mlr mmc mme mmi mmk mml mmm mmr mrc mre mri mrk mrl mrm mrr rcc rce rci rcl rcm rcr re- rec ree rei rek rel rem rer ric rie rii rik ril rim rir rkc rke rkk rkm rlc rle rli rll rlm rlr rmc rme rmi rml rmm rmr rrc rri rrk rrl rrm rrr