-er -ic c-- ccc cce ccg cci ccm ccn cco ccr ce- cec cee ceg cei cem cen ceo cer cgc cge cgg cgi cgm cgn cgo cgr ci- cic cie cig cii cim cin cio cir cmc cme cmg cmi cmm cmn cmo cmr cn- cnc cne cng cni cnm cnn cno cnr co- coc coe cog coi com con coo cor crc cre crg cri crm crn cro crr ec- ecc ece ecg eci ecm ecn eco ecr eec eee eeg eem een eeo eer egc ege egg egi egm egn ego egr eic eie eig eii eim ein eio eir em- emc eme emg emi emm emn emo emr en- enc ene eng eni enm enn eno enr eo- eoc eoe eog eoi eom eon eoo eor erc ere erg eri erm ern ero err gcc gce gcg gci gcm gcn gco gcr ge- gec gee geg gei gem gen geo ger ggc ggg ggi ggm ggn ggo ggr gic gie gig gii gim gin gio gir gmc gme gmg gmi gmm gmn gmo gmr gnc gne gni gnm gnn gno gnr goc goe gog goi gom gon goo gor grc gre grg gri grm grn gro grr icc ice icg ici icm icn ico icr ie- iec iee ieg iei iem ien ier igc ige igg igi igm ign igo igr iic iie iii iim iin iio iir im- imc ime img imi imm imn imo in- inc ine ing ini inm inn ino inr io- ioc ioe iog ioi iom ion ioo ior ir- irc ire irg iri irm irn iro irr m-o m-r mc- mcc mce mcg mci mcm mcn mco mcr mec mee meg mei mem men meo mer mgc mge mgi mgm mgn mgo mgr mi- mic mie mig mii mim min mio mir mmc mme mmg mmi mmm mmn mmo mmr mnc mne mng mni mnm mnn mno mnr moc moe mog moi mom mon moo mor mrc mre mrg mri mrm mrn mro mrr n-i ncc nce ncg nci ncm ncn nco ncr ne- nec nee neg nei nem nen neo ner ngc nge ngg ngi ngm ngn ngo nic nie nig nii nim nin nio nir nmc nme nmg nmi nmm nmn nmo nmr nnc nne nng nni nnm nnn nno no- noc noe nog noi nom non noo nor nrc nre nrg nri nrm nrn nro nrr o-i oc- occ ocg oci ocm ocn oco ocr oec oee oeg oei oem oen oeo oer ogc oge ogg ogi ogn ogo oic oie oii oim oin oio oir om- omc ome omg omi omm omn omo omr on- onc one ong oni onn ono onr oo- ooc oog ooi oom oon ooo oor or- orc ore org ori orm orn oro orr rcc rce rcg rci rcm rcn rco rcr re- rec ree reg rei rem ren reo rer rgc rge rgg rgi rgn rgo rgr ric rie rig rii rim rin rio rir rmc rme rmg rmi rmm rmn rmo rmr rnc rng rni rnm rnn rno rnr roc roe rog roi rom ron roo ror rrc rrg rri rrm rrn rrr