-ic c-- ccc cci cck ccn cco ccs ci- cic cii cik cin cio cis ckc cki cko cks cn- cnc cni cnn cno cns co- coc coi cok con coo cos csc csi csk csn cso css icc ici ick icn ico ics iic iii iin iio iis ikc iki ikk iko iks in- inc ini ink inn ino ins io- ioc ioi ion ioo ios is- isc isi isk isn iso iss kcc kci kck kcn kcs kic kii kik kin kio kis kkc kki kkk kkn kks kn- knc kni knk knn kno koc koi kok kon koo kos ksc ksi ksk ksn kso kss n-i ncc nci nck ncn nco ncs nic nii nik nin nio nis nkc nki nkk nkn nko nks nnc nni nnk nnn nno nns no- noc noi nok non noo nos nsc nsi nsk nsn nso nss o-i oc- occ oci ock ocn oco ocs oic oii oik oin oio ois okc oki okk oko oks on- onc oni onk onn ono ons oo- ooc ooi ook oon ooo oos os- osc osi osk osn oso oss scc sci sck scn sco scs sic sii sik sin sio sis sk- skc ski skk sko sks snc sni snk snn sno sns soc soi sok son soo sos ss- ssc ssi ssk ssn sso sss