-er -ic a-a a-c a-i aaa aac aae aaf aag aah aai aar ac- aca acc ace acf acg ach aci acr aea aec aee aef aeg aeh aei aer af- afa afc afe aff afg afh afi afr ag- aga agc age agf agg agh agi agr aha ahc ahe ahf ahg ahh ahi ahr ai- aia aic aie aif aig aih aii air ar- ara arc are arf arg arh ari arr c-- caa cac cae caf cag cah cai car cca ccc cce ccf ccg cch cci ccr ce- cea cec cee cef ceg ceh cei cer cfa cfc cfe cff cfg cfh cfi cfr cga cgc cge cgg cgh cgi cgr ch- cha chc che chf chg chh chi chr ci- cia cic cie cif cig cih cii cir cra crc cre crf crg crh cri crr eaa eac eae eaf eag eah eai ear ec- eca ecc ece ecf ecg ech eci ecr eea eec eee eef eeg eer ef- efa efc efe eff efg efh efi efr ega egc ege egf egg egh egi egr eha ehc ehe ehf ehg ehh ehi ehr eia eic eie eif eig eii eir era erc ere erf erg erh eri err faa fac fae faf fag fah fai far fca fcc fce fcf fcg fci fcr fea fec fee fef feg feh fei fer ffa ffc ffe fff ffg ffh ffi ffr fga fgc fge fgf fgg fgh fgi fgr fha fhc fhe fhf fhg fhh fhi fhr fia fic fie fif fig fih fii fir fra frc fre frf frg frh fri frr gaa gac gae gaf gag gah gai gar gca gcc gce gcf gcg gch gci gcr ge- gea gec gee gef geg geh gei ger gfa gfc gfe gff gfh gfi gfr gga ggc ggg ggh ggi ggr gha ghc ghe ghg ghh ghi ghr gia gic gie gif gig gih gii gir gra grc gre grf grg grh gri grr h-i haa hac hae haf hag hah hai har hca hcc hce hcf hcg hch hci hcr he- hea hec hee hef heg heh hei her hfa hfc hfe hff hfg hfh hfi hfr hga hgc hge hgf hgg hgh hgi hgr hha hhc hhe hhf hhg hhh hhi hhr hia hic hie hif hig hih hii hir hr- hra hrc hre hrf hrg hrh hri hrr i-f ia- iaa iac iae iaf iag iah iai iar ica icc ice icf icg ich ici icr ie- iea iec iee ief ieg iei ier ifa ifc ife iff ifg ifi ifr iga igc ige igf igg igh igi igr iha ihc ihe ihf ihg ihh ihi ihr iia iic iie iif iih iii iir ir- ira irc ire irf irg iri irr ra- raa rac rae raf rag rah rai rar rca rcc rce rcf rcg rch rci rcr re- rea rec ree ref reg reh rei rer rfa rfc rfe rff rfg rfh rfi rfr rga rgc rge rgf rgg rgh rgi rgr rh- rha rhc rhe rhf rhg rhh rhi rhr ria ric rie rif rig rih rii rir rra rrc rrf rrg rrh rri rrr