-er -ic c-- ccc cce ccg cci cck ccm ccn ccr ccs ce- cec cee ceg cei cek cem cen cer ces cgc cge cgg cgi cgm cgn cgr cgs ci- cic cie cig cii cik cim cin cir cis ckc cki ckm cks cmc cme cmg cmi cmk cmm cmn cmr cms cn- cnc cne cng cni cnm cnn cnr cns crc cre crg cri crk crm crn crr crs csc cse csg csi csk csm csn csr css ec- ecc ece ecg eci eck ecm ecn ecr ecs eec eee eeg eek eem een eer ees egc ege egg egi egm egn egr egs eic eie eig eii eik eim ein eir eis ekc eke ekg eki ekr eks em- emc eme emg emi emk emm emn emr ems en- enc ene eng eni enk enm enn enr ens erc ere erg eri erk erm ern err ers es- esc ese esg esi esk esm esn esr ess gcc gce gcg gci gck gcm gcn gcr gcs ge- gec gee geg gei gek gem gen ger ges ggc ggg ggi ggm ggn ggr ggs gic gie gig gii gik gim gin gir gis gkm gkn gks gmc gme gmg gmi gmm gmn gmr gms gnc gne gni gnm gnn gnr gns grc gre grg gri grk grm grn grr grs gsc gse gsg gsi gsk gsm gsn gsr gss icc ice icg ici ick icm icn icr ics ie- iec iee ieg iei iek iem ien ier ies igc ige igg igi igk igm ign igr igs iic iie iii iim iin iir iis ikc ike iki ikk ikr iks im- imc ime img imi imm imn ims in- inc ine ing ini ink inm inn inr ins ir- irc ire irg iri irk irm irn irr irs is- isc ise isg isi isk ism isn isr iss kcc kce kcg kci kck kcm kcn kcr kcs ke- kec kee keg kei kek kem ken ker kes kgc kgi kgm kgs kic kie kig kii kik kim kin kir kis kkc kke kki kkk kkm kkn kkr kks kmc kme kmg kmi kmk kmm kms kn- knc kne kng kni knk knm knn knr krc krg kri krk krn krr krs ksc kse ksg ksi ksk ksm ksn ksr kss m-r mc- mcc mce mcg mci mck mcm mcn mcr mcs mec mee meg mei mek mem men mer mes mgc mge mgi mgk mgm mgn mgr mgs mi- mic mie mig mii mik mim min mir mis mkc mke mkg mkk mkm mkn mkr mks mmc mme mmg mmi mmk mmm mmn mmr mms mnc mne mng mni mnk mnm mnn mnr mns mrc mre mrg mri mrk mrm mrn mrr mrs msc mse msg msi msk msm msn msr mss n-i ncc nce ncg nci nck ncm ncn ncr ncs ne- nec nee neg nei nek nem nen ner nes ngc nge ngg ngi ngk ngm ngn ngs nic nie nig nii nik nim nin nir nis nkc nke nki nkk nkm nkn nkr nks nmc nme nmg nmi nmk nmm nmn nmr nms nnc nne nng nni nnk nnm nnn nns nrc nre nrg nri nrk nrm nrn nrr nrs nsc nse nsg nsi nsk nsm nsn nsr nss rcc rce rcg rci rcm rcn rcr rcs re- rec ree reg rei rek rem ren rer res rgc rge rgg rgi rgk rgn rgr rgs ric rie rig rii rik rim rin rir ris rkc rke rkg rkk rkm rks rmc rme rmg rmi rmm rmn rmr rms rnc rng rni rnm rnn rnr rns rrc rrg rri rrk rrm rrn rrr rrs rsc rse rsg rsi rsk rsm rsn rsr rss scc sce scg sci sck scm scn scr scs se- sec see seg sei sek sem sen ser ses sgc sge sgg sgi sgk sgm sgn sgr sgs sic sie sig sii sik sim sin sir sis sk- skc ske skg ski skk skm skr sks smc sme smg smi smk smm smn smr sms snc sne sng sni snk snm snn snr sns sr- src sre srg sri srk srm srn srr srs ss- ssc sse ssg ssi ssk ssm ssn ssr sss