-ic a-a a-c a-i aaa aac aae aai aan aap aas ac- aca acc ace aci acn acp acs aea aec aee aei aen aep aes ai- aia aic aie aii ain aip ais an- ana anc ane ani ann anp ans ap- apa apc ape api apn app aps as- asa asc ase asi asn asp ass c-- caa cac cae cai can cap cas cca ccc cce cci ccn ccp ccs ce- cea cec cee cei cen cep ces ci- cia cic cie cii cin cip cis cn- cna cnc cne cni cnn cnp cns cpa cpc cpe cpi cpn cpp cps csa csc cse csi csn csp css eaa eac eae eai ean eap eas ec- eca ecc ece eci ecn ecs eea eec eee een eep ees eia eic eie eii ein eip eis en- ena enc ene eni enn enp ens ep- epa epc epe epi epn epp eps es- esa esc ese esi esn esp ess ia- iaa iac iae iai ian iap ias ica icc ice ici icn icp ics ie- iea iec iee iei ien iep ies iia iic iie iii iin iip iis in- ina inc ine ini inn inp ins ipa ipc ipe ipi ipn ipp ips is- isa isc ise isi isn isp iss n-i naa nac nae nai nan nap nas nca ncc nce nci ncn ncp ncs ne- nea nec nee nei nen nep nes nia nic nie nii nin nip nis nna nnc nne nni nnn nnp nns npa npc npe npi npn npp nps nsa nsc nse nsi nsn nsp nss p-p paa pac pae pai pan pap pas pca pcc pce pci pcn pcp pcs pea pec pee pei pen pep pes pia pic pie pii pin pip pis pn- pna pnc pne pni pnn pnp pns ppa ppc ppe ppi ppn ppp pps ps- psa psc pse psi psn psp pss saa sac sae sai san sap sas sca scc sce sci scn scp scs se- sea sec see sei sen sep ses sia sic sie sii sin sip sis sna snc sne sni snn snp sns spa spc spe spi spn spp sps ss- ssa ssc sse ssi ssn ssp sss