-ic a-a a-c a-i aaa aac aae aaf aag aai aam aas ac- aca acc ace acf acg aci acm acs aea aec aee aef aeg aei aem aes af- afa afc afe aff afg afi afm afs ag- aga agc age agf agg agi agm ags ai- aia aic aie aif aig aii aim ais ama amc ame amf amg ami amm ams as- asa asc ase asf asg asi asm ass c-- caa cac cae caf cag cai cam cas cca ccc cce ccf ccg cci ccm ccs ce- cea cec cee cef ceg cei cem ces cfa cfc cfe cff cfg cfi cfm cfs cga cgc cge cgg cgi cgm cgs ci- cia cic cie cif cig cii cim cis cma cmc cme cmf cmg cmi cmm cms csa csc cse csf csg csi csm css eaa eac eae eaf eag eai eam eas ec- eca ecc ece ecf ecg eci ecm ecs eea eec eee eef eeg eem ees ef- efa efc efe eff efg efi efm efs ega egc ege egf egg egi egm egs eia eic eie eif eig eii eim eis em- ema emc eme emf emg emi emm ems es- esa esc ese esf esg esi esm ess faa fac fae faf fag fai fam fas fca fcc fce fcf fcg fci fcm fcs fea fec fee fef feg fei fem fes ffa ffc ffe fff ffg ffi ffm ffs fga fgc fge fgf fgg fgi fgm fgs fia fic fie fif fig fii fim fis fma fmc fme fmf fmg fmi fmm fms fsa fsc fse fsf fsg fsi fsm fss gaa gac gae gaf gag gai gam gas gca gcc gce gcf gcg gci gcm gcs ge- gea gec gee gef geg gei gem ges gfa gfc gfe gff gfi gfm gfs gga ggc ggg ggi ggm ggs gia gic gie gif gig gii gim gis gma gmc gme gmf gmg gmi gmm gms gsa gsc gse gsf gsg gsi gsm gss i-f ia- iaa iac iae iaf iag iai iam ias ica icc ice icf icg ici icm ics ie- iea iec iee ief ieg iei iem ies ifa ifc ife iff ifg ifi ifm ifs iga igc ige igf igg igi igm igs iia iic iie iif iii iim iis im- ima imc ime imf img imi imm ims is- isa isc ise isf isg isi ism iss m-f maa mac mae maf mag mai mam mas mc- mca mcc mce mcf mcg mci mcm mcs mea mec mee mef meg mei mem mes mfa mfc mfe mff mfg mfi mfm mfs mga mgc mge mgf mgi mgm mgs mi- mia mic mie mif mig mii mim mis mma mmc mme mmf mmg mmi mmm mms msa msc mse msf msg msi msm mss saa sac sae saf sag sai sam sas sca scc sce scf scg sci scm scs se- sea sec see sef seg sei sem ses sfa sfc sfe sff sfg sfi sfm sfs sga sgc sge sgf sgg sgi sgm sgs sia sic sie sif sig sii sim sis sma smc sme smf smg smi smm sms ss- ssa ssc sse ssf ssg ssi ssm sss