-ic a-a a-c a-i aaa aac aae aai aak aap aas ac- aca acc ace aci ack acp acs aea aec aee aei aek aep aes ai- aia aic aie aii aik aip ais aka akc ake aki akk akp aks ap- apa apc ape api apk app aps as- asa asc ase asi ask asp ass c-- caa cac cae cai cak cap cas cca ccc cce cci cck ccp ccs ce- cea cec cee cei cek cep ces ci- cia cic cie cii cik cip cis cka ckc cki cks cpa cpc cpe cpi cpk cpp cps csa csc cse csi csk csp css eaa eac eae eai eak eap eas ec- eca ecc ece eci eck ecs eea eec eee eek eep ees eia eic eie eii eik eip eis eka ekc eke eki ekp eks ep- epa epc epe epi epp eps es- esa esc ese esi esk esp ess ia- iaa iac iae iai iap ias ica icc ice ici ick icp ics ie- iea iec iee iei iek iep ies iia iic iie iii iip iis ika ikc ike iki ikk iks ipa ipc ipe ipi ipp ips is- isa isc ise isi isk isp iss ka- kaa kac kae kai kak kap kas kca kcc kce kci kck kcp kcs ke- kea kec kee kei kek kep kes kia kic kie kii kik kip kis kkc kke kki kkk kkp kks kpa kpc kpe kpi kpk kpp kps ksa ksc kse ksi ksk ksp kss p-p paa pac pae pai pak pap pas pca pcc pce pci pck pcp pcs pea pec pee pei pek pep pes pia pic pie pii pik pip pis pka pkc pke pki pkp pks ppa ppc ppe ppi ppk ppp pps ps- psa psc pse psi psk psp pss saa sac sae sai sak sap sas sca scc sce sci sck scp scs se- sea sec see sei sek sep ses sia sic sie sii sik sip sis sk- ska skc ske ski skk skp sks spa spc spe spi spk spp sps ss- ssa ssc sse ssi ssk ssp sss