-ic c-- ccc ccg cci cck ccn cco ccs cgc cgg cgi cgn cgo cgs ci- cic cig cii cik cin cio cis ckc cki cko cks cn- cnc cng cni cnn cno cns co- coc cog coi cok con coo cos csc csg csi csk csn cso css gcc gcg gci gck gcn gco gcs ggc ggg ggi ggn ggo ggs gic gig gii gik gin gio gis gkn gko gks gnc gni gnn gno gns goc gog goi gok gon goo gos gsc gsg gsi gsk gsn gso gss icc icg ici ick icn ico ics igc igg igi igk ign igo igs iic iii iin iio iis ikc iki ikk iko iks in- inc ing ini ink inn ino ins io- ioc iog ioi ion ioo ios is- isc isg isi isk isn iso iss kcc kcg kci kck kcn kcs kgc kgi kgo kgs kic kig kii kik kin kio kis kkc kki kkk kkn kks kn- knc kng kni knk knn kno koc kog koi kok kon koo kos ksc ksg ksi ksk ksn kso kss n-i ncc ncg nci nck ncn nco ncs ngc ngg ngi ngk ngn ngo ngs nic nig nii nik nin nio nis nkc nki nkk nkn nko nks nnc nng nni nnk nnn nno nns no- noc nog noi nok non noo nos nsc nsg nsi nsk nsn nso nss o-i oc- occ ocg oci ock ocn oco ocs ogc ogg ogi ogn ogo ogs oic oii oik oin oio ois okc okg oki okk oko oks on- onc ong oni onk onn ono ons oo- ooc oog ooi ook oon ooo oos os- osc osg osi osk osn oso oss scc scg sci sck scn sco scs sgc sgg sgi sgk sgn sgo sgs sic sig sii sik sin sio sis sk- skc skg ski skk sko sks snc sng sni snk snn sno sns soc sog soi sok son soo sos ss- ssc ssg ssi ssk ssn sso sss