-er -ic c-- ccc cce ccg cci ccm ccn ccp ccr ce- cec cee ceg cei cem cen cep cer cgc cge cgg cgi cgm cgn cgp cgr ci- cic cie cig cii cim cin cip cir cmc cme cmg cmi cmm cmn cmp cmr cn- cnc cne cng cni cnm cnn cnp cnr cpc cpe cpg cpi cpm cpn cpp cpr crc cre crg cri crm crn crp crr ec- ecc ece ecg eci ecm ecn ecr eec eee eeg eem een eep eer egc ege egg egi egm egn egp egr eic eie eig eii eim ein eip eir em- emc eme emg emi emm emn emp emr en- enc ene eng eni enm enn enp enr ep- epc epe epg epi epm epn epp epr erc ere erg eri erm ern erp err g-p gcc gce gcg gci gcm gcn gcp gcr ge- gec gee geg gei gem gen gep ger ggc ggg ggi ggm ggn ggp ggr gic gie gig gii gim gin gip gir gmc gme gmg gmi gmm gmn gmp gmr gnc gne gni gnm gnn gnp gnr gpc gpe gpg gpi gpm gpn gpp gpr grc gre grg gri grm grn grp grr icc ice icg ici icm icn icp icr ie- iec iee ieg iei iem ien iep ier igc ige igg igi igm ign igp igr iic iie iii iim iin iip iir im- imc ime img imi imm imn imp in- inc ine ing ini inm inn inp inr ipc ipe ipg ipi ipm ipn ipp ipr ir- irc ire irg iri irm irn irp irr m-r mc- mcc mce mcg mci mcm mcn mcp mcr mec mee meg mei mem men mep mer mgc mge mgi mgm mgn mgp mgr mi- mic mie mig mii mim min mip mir mmc mme mmg mmi mmm mmn mmp mmr mnc mne mng mni mnm mnn mnp mnr mpc mpe mpg mpi mpm mpn mpp mpr mrc mre mrg mri mrm mrn mrp mrr n-i ncc nce ncg nci ncm ncn ncp ncr ne- nec nee neg nei nem nen nep ner ngc nge ngg ngi ngm ngn ngp nic nie nig nii nim nin nip nir nmc nme nmg nmi nmm nmn nmp nmr nnc nne nng nni nnm nnn nnp npc npe npg npi npm npn npp npr nrc nre nrg nri nrm nrn nrp nrr p-p pcc pce pcg pci pcm pcn pcp pcr pec pee peg pei pem pen pep per pgc pge pgg pgi pgm pgn pgp pgr pic pie pig pii pim pin pip pir pmc pme pmg pmi pmm pmn pmp pmr pn- pnc pne png pni pnm pnn pnp pnr ppc ppe ppg ppi ppm ppn ppp ppr prc pre prg pri prm prn prp prr rcc rce rcg rci rcm rcn rcp rcr re- rec ree reg rei rem ren rep rer rgc rge rgg rgi rgn rgp rgr ric rie rig rii rim rin rip rir rmc rme rmg rmi rmm rmn rmp rmr rnc rng rni rnm rnn rnp rnr rpc rpe rpg rpi rpm rpn rpp rpr rrc rrg rri rrm rrn rrp rrr