-ic a-a a-c a-i aaa aac aad aae aaf aai ac- aca acc acd ace acf aci ad- ada adc add ade adf adi aea aec aed aee aef aei af- afa afc afd afe aff afi ai- aia aic aid aie aif aii c-- caa cac cad cae caf cai cca ccc ccd cce ccf cci cda cdc cdd cde cdf cdi ce- cea cec ced cee cef cei cfa cfc cfd cfe cff cfi ci- cia cic cid cie cif cii daa dac dad dae daf dai dca dcc dcd dce dcf dci dda ddc ddd dde ddf ddi de- dea dec ded dee def dei dfa dfc dfd dfe dff dfi di- dia dic did die dif dii eaa eac ead eae eaf eai ec- eca ecc ecd ece ecf eci ed- eda edc edd ede edf edi eea eec eed eee eef ef- efa efc efd efe eff efi eia eic eid eie eif eii faa fac fad fae faf fai fca fcc fcd fce fcf fci fda fdc fdd fde fdf fdi fea fec fed fee fef fei ffa ffc ffd ffe fff ffi fia fic fid fie fif fii i-d i-f ia- iaa iac iad iae iaf iai ica icc icd ice icf ici ida idc idd ide idf idi ie- iea iec ied iee ief iei ifa ifc ifd ife iff ifi iia iic iid iie iif iii