-ic a-a a-c a-i aaa aac aad aai aan ac- aca acc acd aci acn ad- ada adc add adi adn ai- aia aic aid aii ain an- ana anc and ani ann c-- caa cac cad cai can cca ccc ccd cci ccn cda cdc cdd cdi cdn ci- cia cic cid cii cin cn- cna cnc cnd cni cnn daa dac dad dai dan dca dcc dcd dci dcn dda ddc ddd ddi ddn di- dia dic did dii din dna dnc dnd dni dnn i-d ia- iaa iac iad iai ian ica icc icd ici icn ida idc idd idi idn iia iic iid iii iin in- ina inc ind ini inn n-i naa nac nad nai nan nca ncc ncd nci ncn nda ndc ndd ndi ndn nia nic nid nii nin nna nnc nni nnn