-er -ic c-- ccc cce cci ccm ccn cco ccr ce- cec cee cei cem cen ceo cer ci- cic cie cii cim cin cio cir cmc cme cmi cmm cmn cmo cmr cn- cnc cne cni cnm cnn cno cnr co- coc coe coi com con coo cor crc cre cri crm crn cro crr ec- ecc ece eci ecm ecn eco ecr eec eee eem een eeo eer eic eie eii eim ein eio eir em- emc eme emi emm emn emo emr en- enc ene eni enm enn eno enr eo- eoc eoe eoi eom eon eoo eor erc ere eri erm ern ero err icc ice ici icm icn ico icr ie- iec iee iei iem ien ier iic iie iii iim iin iio iir im- imc ime imi imm imn imo in- inc ine ini inm inn ino inr io- ioc ioe ioi iom ion ioo ior ir- irc ire iri irm irn iro irr m-o m-r mc- mcc mce mci mcm mcn mco mcr mec mee mei mem men meo mer mi- mic mie mii mim min mio mir mmc mme mmi mmm mmn mmo mmr mnc mne mni mnm mnn mno mnr moc moe moi mom mon moo mor mrc mre mri mrm mrn mro mrr n-i ncc nce nci ncm ncn nco ncr ne- nec nee nei nem nen neo ner nic nie nii nim nin nio nir nmc nme nmi nmm nmn nmo nmr nnc nne nni nnm nnn nno no- noc noe noi nom non noo nor nrc nre nri nrm nrn nro nrr o-i oc- occ oci ocm ocn oco ocr oec oee oei oem oen oeo oer oic oie oii oim oin oio oir om- omc ome omi omm omn omo omr on- onc one oni onn ono onr oo- ooc ooi oom oon ooo oor or- orc ore ori orm orn oro orr rcc rce rci rcm rcn rco rcr re- rec ree rei rem ren reo rer ric rie rii rim rin rio rir rmc rme rmi rmm rmn rmo rmr rnc rni rnm rnn rno rnr roc roe roi rom ron roo ror rrc rri rrm rrn rrr