-ic a-a a-c a-i aaa aac aae aai aak aao aas ac- aca acc ace aci ack aco acs aea aec aee aei aek aeo aes ai- aia aic aie aii aik aio ais aka akc ake aki akk ako aks aoa aoc aoe aoi aok aoo aos as- asa asc ase asi ask aso ass c-- caa cac cae cai cak cao cas cca ccc cce cci cck cco ccs ce- cea cec cee cei cek ceo ces ci- cia cic cie cii cik cio cis cka ckc cki cko cks co- coa coc coe coi cok coo cos csa csc cse csi csk cso css eaa eac eae eai eak eao eas ec- eca ecc ece eci eck eco ecs eea eec eee eek eeo ees eia eic eie eii eik eio eis eka ekc eke eki eko eks eo- eoa eoc eoe eoi eok eoo eos es- esa esc ese esi esk eso ess ia- iaa iac iae iai iao ias ica icc ice ici ick ico ics ie- iea iec iee iei iek ies iia iic iie iii iio iis ika ikc ike iki ikk iko iks io- ioa ioc ioe ioi ioo ios is- isa isc ise isi isk iso iss ka- kaa kac kae kai kak kao kas kca kcc kce kci kck kcs ke- kea kec kee kei kek keo kes kia kic kie kii kik kio kis kkc kke kki kkk kks koa koc koe koi kok koo kos ksa ksc kse ksi ksk kso kss o-i oaa oac oae oai oak oao oas oc- oca occ oci ock oco ocs oea oec oee oei oeo oes oia oic oie oii oik oio ois oka okc oke oki okk oko oks oo- ooa ooc ooi ook ooo oos os- osa osc ose osi osk oso oss saa sac sae sai sak sao sas sca scc sce sci sck sco scs se- sea sec see sei sek seo ses sia sic sie sii sik sio sis sk- ska skc ske ski skk sko sks soa soc soe soi sok soo sos ss- ssa ssc sse ssi ssk sso sss