-ic c-- ccc ccg cci cck ccn cco ccr ccs cgc cgg cgi cgn cgo cgr cgs ci- cic cig cii cik cin cio cir cis ckc cki cko cks cn- cnc cng cni cnn cno cnr cns co- coc cog coi cok con coo cor cos crc crg cri crk crn cro crr crs csc csg csi csk csn cso csr css gcc gcg gci gck gcn gco gcr gcs ggc ggg ggi ggn ggo ggr ggs gic gig gii gik gin gio gir gis gkn gko gks gnc gni gnn gno gnr gns goc gog goi gok gon goo gor gos grc grg gri grk grn gro grr grs gsc gsg gsi gsk gsn gso gsr gss icc icg ici ick icn ico icr ics igc igg igi igk ign igo igr igs iic iii iin iio iir iis ikc iki ikk iko ikr iks in- inc ing ini ink inn ino inr ins io- ioc iog ioi ion ioo ior ios ir- irc irg iri irk irn iro irr irs is- isc isg isi isk isn iso isr iss kcc kcg kci kck kcn kcr kcs kgc kgi kgo kgs kic kig kii kik kin kio kir kis kkc kki kkk kkn kkr kks kn- knc kng kni knk knn kno knr koc kog koi kok kon koo kor kos krc krg kri krk krn kro krr krs ksc ksg ksi ksk ksn kso ksr kss n-i ncc ncg nci nck ncn nco ncr ncs ngc ngg ngi ngk ngn ngo ngs nic nig nii nik nin nio nir nis nkc nki nkk nkn nko nkr nks nnc nng nni nnk nnn nno nns no- noc nog noi nok non noo nor nos nrc nrg nri nrk nrn nro nrr nrs nsc nsg nsi nsk nsn nso nsr nss o-i oc- occ ocg oci ock ocn oco ocr ocs ogc ogg ogi ogn ogo ogs oic oii oik oin oio oir ois okc okg oki okk oko okr oks on- onc ong oni onk onn ono onr ons oo- ooc oog ooi ook oon ooo oor oos or- orc org ori ork orn oro orr ors os- osc osg osi osk osn oso osr oss rcc rcg rci rcn rco rcr rcs rgc rgg rgi rgk rgn rgo rgr rgs ric rig rii rik rin rio rir ris rkc rkg rkk rko rks rnc rng rni rnn rno rnr rns roc rog roi rok ron roo ror ros rrc rrg rri rrk rrn rrr rrs rsc rsg rsi rsk rsn rso rsr rss scc scg sci sck scn sco scr scs sgc sgg sgi sgk sgn sgo sgr sgs sic sig sii sik sin sio sir sis sk- skc skg ski skk sko skr sks snc sng sni snk snn sno snr sns soc sog soi sok son soo sor sos sr- src srg sri srk srn sro srr srs ss- ssc ssg ssi ssk ssn sso ssr sss