-ic c-- ccc cce cci cck ccn cco ccs ce- cec cee cei cek cen ceo ces ci- cic cie cii cik cin cio cis ckc cki cko cks cn- cnc cne cni cnn cno cns co- coc coe coi cok con coo cos csc cse csi csk csn cso css ec- ecc ece eci eck ecn eco ecs eec eee eek een eeo ees eic eie eii eik ein eio eis ekc eke eki eko eks en- enc ene eni enk enn eno ens eo- eoc eoe eoi eok eon eoo eos es- esc ese esi esk esn eso ess icc ice ici ick icn ico ics ie- iec iee iei iek ien ies iic iie iii iin iio iis ikc ike iki ikk iko iks in- inc ine ini ink inn ino ins io- ioc ioe ioi ion ioo ios is- isc ise isi isk isn iso iss kcc kce kci kck kcn kcs ke- kec kee kei kek ken keo kes kic kie kii kik kin kio kis kkc kke kki kkk kkn kks kn- knc kne kni knk knn kno koc koe koi kok kon koo kos ksc kse ksi ksk ksn kso kss n-i ncc nce nci nck ncn nco ncs ne- nec nee nei nek nen neo nes nic nie nii nik nin nio nis nkc nke nki nkk nkn nko nks nnc nne nni nnk nnn nno nns no- noc noe noi nok non noo nos nsc nse nsi nsk nsn nso nss o-i oc- occ oci ock ocn oco ocs oec oee oei oen oeo oes oic oie oii oik oin oio ois okc oke oki okk oko oks on- onc one oni onk onn ono ons oo- ooc ooi ook oon ooo oos os- osc ose osi osk osn oso oss scc sce sci sck scn sco scs se- sec see sei sek sen seo ses sic sie sii sik sin sio sis sk- skc ske ski skk sko sks snc sne sni snk snn sno sns soc soe soi sok son soo sos ss- ssc sse ssi ssk ssn sso sss