-er -ic c-- ccc ccd cce cci ccm ccn cco ccr cdc cdd cde cdi cdm cdn cdo cdr ce- cec ced cee cei cem cen ceo cer ci- cic cid cie cii cim cin cio cir cmc cmd cme cmi cmm cmn cmo cmr cn- cnc cnd cne cni cnm cnn cno cnr co- coc cod coe coi com con coo cor crc crd cre cri crm crn cro crr dcc dcd dce dci dcm dcn dco dcr ddc ddd dde ddi ddm ddn ddo ddr de- dec ded dee dei dem den deo der di- dic did die dii dim din dio dir dmc dmd dme dmi dmm dmn dmo dmr dnc dnd dne dni dnm dnn dno dnr doc dod doe doi dom don doo dor drc drd dre dri drm drn dro drr ec- ecc ecd ece eci ecm ecn eco ecr ed- edc edd ede edi edm edn edo edr eec eed eee eem een eeo eer eic eid eie eii eim ein eio eir em- emc emd eme emi emm emn emo emr en- enc end ene eni enm enn eno enr eo- eoc eod eoe eoi eom eon eoo eor erc erd ere eri erm ern ero err i-d icc icd ice ici icm icn ico icr idc idd ide idi idm idn ido idr ie- iec ied iee iei iem ien ier iic iid iie iii iim iin iio iir im- imc imd ime imi imm imn imo in- inc ind ine ini inm inn ino inr io- ioc iod ioe ioi iom ion ioo ior ir- irc ird ire iri irm irn iro irr m-o m-r mc- mcc mcd mce mci mcm mcn mco mcr mdc mdd mde mdi mdm mdn mdo mdr mec med mee mei mem men meo mer mi- mic mid mie mii mim min mio mir mmc mmd mme mmi mmm mmn mmo mmr mnc mne mni mnm mnn mno mnr moc mod moe moi mom mon moo mor mrc mrd mre mri mrm mrn mro mrr n-i ncc ncd nce nci ncm ncn nco ncr ndc ndd nde ndi ndm ndn ndo ndr ne- nec ned nee nei nem nen neo ner nic nid nie nii nim nin nio nir nmc nmd nme nmi nmm nmn nmo nmr nnc nne nni nnm nnn nno no- noc nod noe noi nom non noo nor nrc nrd nre nri nrm nrn nro nrr o-i oc- occ ocd oci ocm ocn oco ocr odc odd ode odi odm odn odo odr oec oed oee oei oem oen oeo oer oic oid oie oii oim oin oio oir om- omc omd ome omi omm omn omo omr on- onc ond one oni onn ono onr oo- ooc ood ooi oom oon ooo oor or- orc ord ore ori orm orn oro orr rcc rcd rce rci rcm rcn rco rcr rdc rdd rde rdi rdm rdn rdo rdr re- rec red ree rei rem ren reo rer ric rid rie rii rim rin rio rir rmc rmd rme rmi rmm rmn rmo rmr rnc rnd rni rnm rnn rno rnr roc rod roe roi rom ron roo ror rrc rrd rri rrm rrn rrr