-ic c-- ccc ccf ccg cci cck ccn cco ccs cfc cff cfg cfi cfk cfn cfo cfs cgc cgg cgi cgn cgo cgs ci- cic cif cig cii cik cin cio cis ckc cki cko cks cn- cnc cnf cng cni cnn cno cns co- coc cof cog coi cok con coo cos csc csf csg csi csk csn cso css fcc fcf fcg fci fck fcn fco fcs ffc fff ffg ffi ffk ffn ffo ffs fgc fgf fgg fgi fgn fgs fic fif fig fii fik fin fis fkc fkf fkg fki fkk fnc fnf fng fni fnk fnn fns foc fof fog foi fok fon foo fos fsc fsf fsg fsi fsk fsn fso fss gcc gcf gcg gci gck gcn gco gcs gfc gff gfi gfk gfo gfs ggc ggg ggi ggn ggo ggs gic gif gig gii gik gin gio gis gkn gko gks gnc gnf gni gnn gno gns goc gof gog goi gok gon goo gos gsc gsf gsg gsi gsk gsn gso gss i-f icc icf icg ici ick icn ico ics ifc iff ifg ifi ifn ifo ifs igc igf igg igi igk ign igo igs iic iif iii iin iio iis ikc ikf iki ikk iko iks in- inc inf ing ini ink inn ino ins io- ioc iof iog ioi ion ioo ios is- isc isf isg isi isk isn iso iss kcc kcg kci kck kcn kcs kfc kff kfg kfi kfo kfs kgc kgf kgi kgo kgs kic kif kig kii kik kin kio kis kkc kki kkk kkn kks kn- knc knf kng kni knk knn kno koc kof kog koi kok kon koo kos ksc ksf ksg ksi ksk ksn kso kss n-i ncc ncf ncg nci nck ncn nco ncs nfc nff nfi nfk nfn nfo nfs ngc ngf ngg ngi ngk ngn ngo ngs nic nif nig nii nik nin nio nis nkc nkf nki nkk nkn nko nks nnc nnf nng nni nnk nnn nno nns no- noc nof nog noi nok non noo nos nsc nsf nsg nsi nsk nsn nso nss o-i oc- occ ocf ocg oci ock ocn oco ocs of- ofc off ofg ofi ofn ofo ofs ogc ogf ogg ogi ogn ogo ogs oic oif oii oik oin oio ois okc okg oki okk oko oks on- onc onf ong oni onk onn ono ons oo- ooc oof oog ooi ook oon ooo oos os- osc osf osg osi osk osn oso oss scc scf scg sci sck scn sco scs sfc sff sfg sfi sfk sfn sfo sfs sgc sgf sgg sgi sgk sgn sgo sgs sic sif sig sii sik sin sio sis sk- skc skf skg ski skk sko sks snc snf sng sni snk snn sno sns soc sof sog soi sok son soo sos ss- ssc ssf ssg ssi ssk ssn sso sss