-ic c-- ccc ccf ccg cci cck ccn cco ccr cfc cff cfg cfi cfk cfn cfo cfr cgc cgg cgi cgn cgo cgr ci- cic cif cig cii cik cin cio cir ckc cki cko cn- cnc cnf cng cni cnn cno cnr co- coc cof cog coi cok con coo cor crc crf crg cri crk crn cro crr fcc fcf fcg fci fck fcn fco fcr ffc fff ffg ffi ffk ffn ffo ffr fgc fgf fgg fgi fgn fgr fic fif fig fii fik fin fir fkc fkf fkg fki fkk fnc fnf fng fni fnk fnn fnr foc fof fog foi fok fon foo for frc frf frg fri frk frn fro frr gcc gcf gcg gci gck gcn gco gcr gfc gff gfi gfk gfo gfr ggc ggg ggi ggn ggo ggr gic gif gig gii gik gin gio gir gkn gko gnc gnf gni gnn gno gnr goc gof gog goi gok gon goo gor grc grf grg gri grk grn gro grr i-f icc icf icg ici ick icn ico icr ifc iff ifg ifi ifn ifo ifr igc igf igg igi igk ign igo igr iic iif iii iin iio iir ikc ikf iki ikk iko ikr in- inc inf ing ini ink inn ino inr io- ioc iof iog ioi ion ioo ior ir- irc irf irg iri irk irn iro irr kcc kcg kci kck kcn kcr kfc kff kfg kfi kfo kgc kgf kgi kgo kic kif kig kii kik kin kio kir kkc kki kkk kkn kkr kn- knc knf kng kni knk knn kno knr koc kof kog koi kok kon koo kor krc krf krg kri krk krn kro krr n-i ncc ncf ncg nci nck ncn nco ncr nfc nff nfi nfk nfn nfo nfr ngc ngf ngg ngi ngk ngn ngo nic nif nig nii nik nin nio nir nkc nkf nki nkk nkn nko nkr nnc nnf nng nni nnk nnn nno no- noc nof nog noi nok non noo nor nrc nrf nrg nri nrk nrn nro nrr o-i oc- occ ocf ocg oci ock ocn oco ocr of- ofc off ofg ofi ofn ofo ofr ogc ogf ogg ogi ogn ogo oic oif oii oik oin oio oir okc okg oki okk oko okr on- onc onf ong oni onk onn ono onr oo- ooc oof oog ooi ook oon ooo oor or- orc orf org ori ork orn oro orr rcc rcf rcg rci rcn rco rcr rfc rff rfg rfi rfk rfn rfo rfr rgc rgf rgg rgi rgk rgn rgo rgr ric rif rig rii rik rin rio rir rkc rkf rkg rkk rko rnc rng rni rnn rno rnr roc rof rog roi rok ron roo ror rrc rrf rrg rri rrk rrn rrr