-ic a-a a-c a-i aaa aac aad aai aak ac- aca acc acd aci ack ad- ada adc add adi adk ai- aia aic aid aii aik aka akc akd aki akk c-- caa cac cad cai cak cca ccc ccd cci cck cda cdc cdd cdi cdk ci- cia cic cid cii cik cka ckc ckd cki daa dac dad dai dak dca dcc dcd dci dck dda ddc ddd ddi ddk di- dia dic did dii dik dka dkc dki dkk i-d ia- iaa iac iad iai ica icc icd ici ick ida idc idd idi idk iia iic iid iii ika ikc iki ikk ka- kaa kac kad kai kak kca kcc kcd kci kck kda kdc kdk kia kic kid kii kik kkc kki kkk