-ic a-a a-c a-i aaa aac aad aae aaf aai aak ac- aca acc acd ace acf aci ack ad- ada adc add ade adf adi adk aea aec aed aee aef aei aek af- afa afc afd afe aff afi afk ai- aia aic aid aie aif aii aik aka akc akd ake aki akk c-- caa cac cad cae caf cai cak cca ccc ccd cce ccf cci cck cda cdc cdd cde cdf cdi cdk ce- cea cec ced cee cef cei cek cfa cfc cfd cfe cff cfi cfk ci- cia cic cid cie cif cii cik cka ckc ckd cki daa dac dad dae daf dai dak dca dcc dcd dce dcf dci dck dda ddc ddd dde ddf ddi ddk de- dea dec ded dee def dei dek dfa dfc dfd dfe dff dfi dfk di- dia dic did die dif dii dik dka dkc dke dki dkk eaa eac ead eae eaf eai eak ec- eca ecc ecd ece ecf eci eck ed- eda edc edd ede edf edi edk eea eec eed eee eef eek ef- efa efc efd efe eff efi eia eic eid eie eif eii eik eka ekc ekd eke ekf eki faa fac fad fae faf fai fak fca fcc fcd fce fcf fci fck fda fdc fdd fde fdf fdi fdk fea fec fed fee fef fei fek ffa ffc ffd ffe fff ffi ffk fia fic fid fie fif fii fik fka fkc fkf fki fkk i-d i-f ia- iaa iac iad iae iaf iai ica icc icd ice icf ici ick ida idc idd ide idf idi idk ie- iea iec ied iee ief iei iek ifa ifc ifd ife iff ifi iia iic iid iie iif iii ika ikc ike ikf iki ikk ka- kaa kac kad kae kaf kai kak kca kcc kcd kce kci kck kda kdc kde kdf kdk ke- kea kec ked kee kef kei kek kfa kfc kfd kff kfi kia kic kid kie kif kii kik kkc kke kki kkk