-ic a-a a-c a-i aaa aac aad aaf aai aan ac- aca acc acd acf aci acn ad- ada adc add adf adi adn af- afa afc afd aff afi afn ai- aia aic aid aif aii ain an- ana anc and anf ani ann c-- caa cac cad caf cai can cca ccc ccd ccf cci ccn cda cdc cdd cdf cdi cdn cfa cfc cfd cff cfi cfn ci- cia cic cid cif cii cin cn- cna cnc cnd cnf cni cnn daa dac dad daf dai dan dca dcc dcd dcf dci dcn dda ddc ddd ddf ddi ddn dfa dfc dfd dff dfi dfn di- dia dic did dif dii din dna dnc dnd dnf dni dnn faa fac fad faf fai fan fca fcc fcd fcf fci fcn fda fdc fdd fdf fdi fdn ffa ffc ffd fff ffi ffn fia fic fid fif fii fin fna fnc fnd fnf fni fnn i-d i-f ia- iaa iac iad iaf iai ian ica icc icd icf ici icn ida idc idd idf idi idn ifa ifc ifd iff ifi ifn iia iic iid iif iii iin in- ina inc ind inf ini inn n-i naa nac nad naf nai nan nca ncc ncd ncf nci ncn nda ndc ndd ndf ndi ndn nfa nfc nfd nff nfi nfn nia nic nid nif nii nin nna nnc nnf nni nnn