-er -ic c-- ccc cce cci ccm ccn ccr ccs ce- cec cee cei cem cen cer ces ci- cic cie cii cim cin cir cis cmc cme cmi cmm cmn cmr cms cn- cnc cne cni cnm cnn cnr cns crc cre cri crm crn crr crs csc cse csi csm csn csr css ec- ecc ece eci ecm ecn ecr ecs eec eee eem een eer ees eic eie eii eim ein eir eis em- emc eme emi emm emn emr ems en- enc ene eni enm enn enr ens erc ere eri erm ern err ers es- esc ese esi esm esn esr ess icc ice ici icm icn icr ics ie- iec iee iei iem ien ier ies iic iie iii iim iin iir iis im- imc ime imi imm imn ims in- inc ine ini inm inn inr ins ir- irc ire iri irm irn irr irs is- isc ise isi ism isn isr iss m-r mc- mcc mce mci mcm mcn mcr mcs mec mee mei mem men mer mes mi- mic mie mii mim min mir mis mmc mme mmi mmm mmn mmr mms mnc mne mni mnm mnn mnr mns mrc mre mri mrm mrn mrr mrs msc mse msi msm msn msr mss n-i ncc nce nci ncm ncn ncr ncs ne- nec nee nei nem nen ner nes nic nie nii nim nin nir nis nmc nme nmi nmm nmn nmr nms nnc nne nni nnm nnn nns nrc nre nri nrm nrn nrr nrs nsc nse nsi nsm nsn nsr nss rcc rce rci rcm rcn rcr rcs re- rec ree rei rem ren rer res ric rie rii rim rin rir ris rmc rme rmi rmm rmn rmr rms rnc rni rnm rnn rnr rns rrc rri rrm rrn rrr rrs rsc rse rsi rsm rsn rsr rss scc sce sci scm scn scr scs se- sec see sei sem sen ser ses sic sie sii sim sin sir sis smc sme smi smm smn smr sms snc sne sni snm snn snr sns sr- src sre sri srm srn srr srs ss- ssc sse ssi ssm ssn ssr sss