-ic a-a a-c a-i aaa aac aad aae aaf aai aao aap ac- aca acc acd ace acf aci aco acp ad- ada adc add ade adf adi ado adp aea aec aed aee aef aei aeo aep af- afa afc afd afe aff afi afo afp ai- aia aic aid aie aif aii aio aip aoa aoc aod aoe aof aoi aoo aop ap- apa apc apd ape apf api apo app c-- caa cac cad cae caf cai cao cap cca ccc ccd cce ccf cci cco ccp cda cdc cdd cde cdf cdi cdo cdp ce- cea cec ced cee cef cei ceo cep cfa cfc cfd cfe cff cfi cfo cfp ci- cia cic cid cie cif cii cio cip co- coa coc cod coe cof coi coo cop cpa cpc cpd cpe cpf cpi cpo cpp daa dac dad dae daf dai dao dap dca dcc dcd dce dcf dci dco dcp dda ddc ddd dde ddf ddi ddo ddp de- dea dec ded dee def dei deo dep dfa dfc dfd dfe dff dfi dfo dfp di- dia dic did die dif dii dio dip doa doc dod doe dof doi doo dop dpa dpc dpd dpe dpf dpi dpo dpp eaa eac ead eae eaf eai eao eap ec- eca ecc ecd ece ecf eci eco ed- eda edc edd ede edf edi edo edp eea eec eed eee eef eeo eep ef- efa efc efd efe eff efi efo efp eia eic eid eie eif eii eio eip eo- eoa eoc eod eoe eof eoi eoo eop ep- epa epc epd epe epf epi epo epp faa fac fad fae faf fai fao fap fca fcc fcd fce fcf fci fco fcp fda fdc fdd fde fdf fdi fdo fdp fea fec fed fee fef fei feo fep ffa ffc ffd ffe fff ffi ffo ffp fia fic fid fie fif fii fip foa foc foe fof foi foo fop fpa fpc fpd fpe fpi fpo fpp i-d i-f ia- iaa iac iad iae iaf iai iao iap ica icc icd ice icf ici ico icp ida idc idd ide idf idi ido idp ie- iea iec ied iee ief iei iep ifa ifc ifd ife iff ifi ifo ifp iia iic iid iie iif iii iio iip io- ioa ioc iod ioe iof ioi ioo iop ipa ipc ipd ipe ipf ipi ipo ipp o-i oaa oac oad oae oaf oai oao oap oc- oca occ ocd ocf oci oco ocp oda odc odd ode odf odi odo odp oea oec oed oee oef oei oeo oep of- ofa ofc ofd ofe off ofi ofo ofp oia oic oid oie oif oii oio oip oo- ooa ooc ood oof ooi ooo oop op- opa opc opd ope opf opi opo opp p-p paa pac pad pae paf pai pao pap pca pcc pcd pce pcf pci pco pcp pda pdc pdd pde pdf pdi pdo pdp pea pec ped pee pef pei peo pep pfa pfc pfd pfe pff pfi pfo pfp pia pic pid pie pif pii pio pip poa poc pod poe pof poi poo pop ppa ppc ppd ppe ppf ppi ppo ppp