-er -ic a-a a-c a-i aaa aac aae aag aai aam aan aar ac- aca acc ace acg aci acm acn acr aea aec aee aeg aei aem aen aer ag- aga agc age agg agi agm agn agr ai- aia aic aie aig aii aim ain air ama amc ame amg ami amm amn amr an- ana anc ane ang ani anm ann anr ar- ara arc are arg ari arm arn arr c-- caa cac cae cag cai cam can car cca ccc cce ccg cci ccm ccn ccr ce- cea cec cee ceg cei cem cen cer cga cgc cge cgg cgi cgm cgn cgr ci- cia cic cie cig cii cim cin cir cma cmc cme cmg cmi cmm cmn cmr cn- cna cnc cne cng cni cnm cnn cnr cra crc cre crg cri crm crn crr eaa eac eae eag eai eam ean ear ec- eca ecc ece ecg eci ecm ecn ecr eea eec eee eeg eem een eer ega egc ege egg egi egm egn egr eia eic eie eig eii eim ein eir em- ema emc eme emg emi emm emn emr en- ena enc ene eng eni enm enn enr era erc ere erg eri erm ern err gaa gac gae gag gai gam gan gar gca gcc gce gcg gci gcm gcn gcr ge- gea gec gee geg gei gem gen ger gga ggc ggg ggi ggm ggn ggr gia gic gie gig gii gim gin gir gma gmc gme gmg gmi gmm gmn gmr gna gnc gne gni gnm gnn gnr gra grc gre grg gri grm grn grr ia- iaa iac iae iag iai iam ian iar ica icc ice icg ici icm icn icr ie- iea iec iee ieg iei iem ien ier iga igc ige igg igi igm ign igr iia iic iie iii iim iin iir im- ima imc ime img imi imm imn in- ina inc ine ing ini inm inn inr ir- ira irc ire irg iri irm irn irr m-r maa mac mae mag mai mam man mar mc- mca mcc mce mcg mci mcm mcn mcr mea mec mee meg mei mem men mer mga mgc mge mgi mgm mgn mgr mi- mia mic mie mig mii mim min mir mma mmc mme mmg mmi mmm mmn mmr mna mnc mne mng mni mnm mnn mnr mra mrc mre mrg mri mrm mrn mrr n-i naa nac nae nag nai nam nan nar nca ncc nce ncg nci ncm ncn ncr ne- nea nec nee neg nei nem nen ner nga ngc nge ngg ngi ngm ngn nia nic nie nig nii nim nin nir nma nmc nme nmg nmi nmm nmn nmr nna nnc nne nng nni nnm nnn nra nrc nre nrg nri nrm nrn nrr ra- raa rac rae rag rai ram ran rar rca rcc rce rcg rci rcm rcn rcr re- rea rec ree reg rei rem ren rer rga rgc rge rgg rgi rgn rgr ria ric rie rig rii rim rin rir rma rmc rme rmg rmi rmm rmn rmr rna rnc rng rni rnm rnn rnr rra rrc rrg rri rrm rrn rrr