-ic a-a a-c a-i aaa aac aae aaf aai aam aao aas ac- aca acc ace acf aci acm aco acs aea aec aee aef aei aem aeo aes af- afa afc afe aff afi afm afo afs ai- aia aic aie aif aii aim aio ais ama amc ame amf ami amm amo ams aoa aoc aoe aof aoi aom aoo aos as- asa asc ase asf asi asm aso ass c-- caa cac cae caf cai cam cao cas cca ccc cce ccf cci ccm cco ccs ce- cea cec cee cef cei cem ceo ces cfa cfc cfe cff cfi cfm cfo cfs ci- cia cic cie cif cii cim cio cis cma cmc cme cmf cmi cmm cmo cms co- coa coc coe cof coi com coo cos csa csc cse csf csi csm cso css eaa eac eae eaf eai eam eao eas ec- eca ecc ece ecf eci ecm eco ecs eea eec eee eef eem eeo ees ef- efa efc efe eff efi efm efo efs eia eic eie eif eii eim eio eis em- ema emc eme emf emi emm emo ems eo- eoa eoc eoe eof eoi eom eoo eos es- esa esc ese esf esi esm eso ess faa fac fae faf fai fam fao fas fca fcc fce fcf fci fcm fco fcs fea fec fee fef fei fem feo fes ffa ffc ffe fff ffi ffm ffo ffs fia fic fie fif fii fim fis fma fmc fme fmf fmi fmm fmo fms foa foc foe fof foi fom foo fos fsa fsc fse fsf fsi fsm fso fss i-f ia- iaa iac iae iaf iai iam iao ias ica icc ice icf ici icm ico ics ie- iea iec iee ief iei iem ies ifa ifc ife iff ifi ifm ifo ifs iia iic iie iif iii iim iio iis im- ima imc ime imf imi imm imo ims io- ioa ioc ioe iof ioi iom ioo ios is- isa isc ise isf isi ism iso iss m-f m-o maa mac mae maf mai mam mao mas mc- mca mcc mce mcf mci mcm mco mcs mea mec mee mef mei mem meo mes mfa mfc mfe mff mfi mfm mfo mfs mi- mia mic mie mif mii mim mio mis mma mmc mme mmf mmi mmm mmo mms moa moc moe mof moi mom moo mos msa msc mse msf msi msm mso mss o-i oaa oac oae oaf oai oam oao oas oc- oca occ ocf oci ocm oco ocs oea oec oee oef oei oem oeo oes of- ofa ofc ofe off ofi ofm ofo ofs oia oic oie oif oii oim oio ois om- oma omc ome omf omi omm omo oms oo- ooa ooc oof ooi oom ooo oos os- osa osc ose osf osi osm oso oss saa sac sae saf sai sam sao sas sca scc sce scf sci scm sco scs se- sea sec see sef sei sem seo ses sfa sfc sfe sff sfi sfm sfo sfs sia sic sie sif sii sim sio sis sma smc sme smf smi smm smo sms soa soc soe sof soi som soo sos ss- ssa ssc sse ssf ssi ssm sso sss