-er -ic c-- ccc cce cci ccm ccn ccr ce- cec cee cei cem cen cer ci- cic cie cii cim cin cir cmc cme cmi cmm cmn cmr cn- cnc cne cni cnm cnn cnr crc cre cri crm crn crr ec- ecc ece eci ecm ecn ecr eec eee eem een eer eic eie eii eim ein eir em- emc eme emi emm emn emr en- enc ene eni enm enn enr erc ere eri erm ern err icc ice ici icm icn icr ie- iec iee iei iem ien ier iic iie iii iim iin iir im- imc ime imi imm imn in- inc ine ini inm inn inr ir- irc ire iri irm irn irr m-r mc- mcc mce mci mcm mcn mcr mec mee mei mem men mer mi- mic mie mii mim min mir mmc mme mmi mmm mmn mmr mnc mne mni mnm mnn mnr mrc mre mri mrm mrn mrr n-i ncc nce nci ncm ncn ncr ne- nec nee nei nem nen ner nic nie nii nim nin nir nmc nme nmi nmm nmn nmr nnc nne nni nnm nnn nrc nre nri nrm nrn nrr rcc rce rci rcm rcn rcr re- rec ree rei rem ren rer ric rie rii rim rin rir rmc rme rmi rmm rmn rmr rnc rni rnm rnn rnr rrc rri rrm rrn rrr