-er -ic a-a a-c a-i aaa aac aae aag aai aak aam aar ac- aca acc ace acg aci ack acm acr aea aec aee aeg aei aek aem aer ag- aga agc age agg agi agk agm agr ai- aia aic aie aig aii aik aim air aka akc ake akg aki akk akm akr ama amc ame amg ami amk amm amr ar- ara arc are arg ari ark arm arr c-- caa cac cae cag cai cak cam car cca ccc cce ccg cci cck ccm ccr ce- cea cec cee ceg cei cek cem cer cga cgc cge cgg cgi cgm cgr ci- cia cic cie cig cii cik cim cir cka ckc cki ckm cma cmc cme cmg cmi cmk cmm cmr cra crc cre crg cri crk crm crr eaa eac eae eag eai eak eam ear ec- eca ecc ece ecg eci eck ecm ecr eea eec eee eeg eek eem eer ega egc ege egg egi egm egr eia eic eie eig eii eik eim eir eka ekc eke ekg eki ekr em- ema emc eme emg emi emk emm emr era erc ere erg eri erk erm err gaa gac gae gag gai gak gam gar gca gcc gce gcg gci gck gcm gcr ge- gea gec gee geg gei gek gem ger gga ggc ggg ggi ggm ggr gia gic gie gig gii gik gim gir gka gkm gma gmc gme gmg gmi gmm gmr gra grc gre grg gri grk grm grr ia- iaa iac iae iag iai iam iar ica icc ice icg ici ick icm icr ie- iea iec iee ieg iei iek iem ier iga igc ige igg igi igk igm igr iia iic iie iii iim iir ika ikc ike iki ikk ikr im- ima imc ime img imi imm ir- ira irc ire irg iri irk irm irr ka- kaa kac kae kag kai kak kam kar kca kcc kce kcg kci kck kcm kcr ke- kea kec kee keg kei kek kem ker kga kgc kgi kgm kia kic kie kig kii kik kim kir kkc kke kki kkk kkm kkr kma kmc kme kmg kmi kmk kmm kra krc krg kri krk krr m-r maa mac mae mag mai mak mam mar mc- mca mcc mce mcg mci mck mcm mcr mea mec mee meg mei mek mem mer mga mgc mge mgi mgk mgm mgr mi- mia mic mie mig mii mik mim mir mka mkc mke mkg mkk mkm mkr mma mmc mme mmg mmi mmk mmm mmr mra mrc mre mrg mri mrk mrm mrr ra- raa rac rae rag rai rak ram rar rca rcc rce rcg rci rcm rcr re- rea rec ree reg rei rek rem rer rga rgc rge rgg rgi rgk rgr ria ric rie rig rii rik rim rir rkc rke rkg rkk rkm rma rmc rme rmg rmi rmm rmr rra rrc rrg rri rrk rrm rrr