-er -ic a-a a-c a-i aaa aac aae aag aah aai aar ac- aca acc ace acg ach aci acr aea aec aee aeg aeh aei aer ag- aga agc age agg agh agi agr aha ahc ahe ahg ahh ahi ahr ai- aia aic aie aig aih aii air ar- ara arc are arg arh ari arr c-- caa cac cae cag cah cai car cca ccc cce ccg cch cci ccr ce- cea cec cee ceg ceh cei cer cga cgc cge cgg cgh cgi cgr ch- cha chc che chg chh chi chr ci- cia cic cie cig cih cii cir cra crc cre crg crh cri crr eaa eac eae eag eah eai ear ec- eca ecc ece ecg ech eci ecr eea eec eee eeg eer ega egc ege egg egh egi egr eha ehc ehe ehg ehh ehi ehr eia eic eie eig eii eir era erc ere erg erh eri err gaa gac gae gag gah gai gar gca gcc gce gcg gch gci gcr ge- gea gec gee geg geh gei ger gga ggc ggg ggh ggi ggr gha ghc ghe ghg ghh ghi ghr gia gic gie gig gih gii gir gra grc gre grg grh gri grr h-i haa hac hae hag hah hai har hca hcc hce hcg hch hci hcr he- hea hec hee heg heh hei her hga hgc hge hgg hgh hgi hgr hha hhc hhe hhg hhh hhi hhr hia hic hie hig hih hii hir hr- hra hrc hre hrg hrh hri hrr ia- iaa iac iae iag iah iai iar ica icc ice icg ich ici icr ie- iea iec iee ieg iei ier iga igc ige igg igh igi igr iha ihc ihe ihg ihh ihi ihr iia iic iie iih iii iir ir- ira irc ire irg iri irr ra- raa rac rae rag rah rai rar rca rcc rce rcg rch rci rcr re- rea rec ree reg reh rei rer rga rgc rge rgg rgh rgi rgr rh- rha rhc rhe rhg rhh rhi rhr ria ric rie rig rih rii rir rra rrc rrg rrh rri rrr