-ic a-a a-c a-i aaa aac aae aai aan aap ac- aca acc ace aci acn acp aea aec aee aei aen aep ai- aia aic aie aii ain aip an- ana anc ane ani ann anp ap- apa apc ape api apn app c-- caa cac cae cai can cap cca ccc cce cci ccn ccp ce- cea cec cee cei cen cep ci- cia cic cie cii cin cip cn- cna cnc cne cni cnn cnp cpa cpc cpe cpi cpn cpp eaa eac eae eai ean eap ec- eca ecc ece eci ecn eea eec eee een eep eia eic eie eii ein eip en- ena enc ene eni enn enp ep- epa epc epe epi epn epp ia- iaa iac iae iai ian iap ica icc ice ici icn icp ie- iea iec iee iei ien iep iia iic iie iii iin iip in- ina inc ine ini inn inp ipa ipc ipe ipi ipn ipp n-i naa nac nae nai nan nap nca ncc nce nci ncn ncp ne- nea nec nee nei nen nep nia nic nie nii nin nip nna nnc nne nni nnn nnp npa npc npe npi npn npp p-p paa pac pae pai pan pap pca pcc pce pci pcn pcp pea pec pee pei pen pep pia pic pie pii pin pip pn- pna pnc pne pni pnn pnp ppa ppc ppe ppi ppn ppp