-ic c-- ccc cce ccf ccg cci cck ccn cco ccs ce- cec cee cef ceg cei cek cen ceo ces cfc cfe cff cfg cfi cfk cfn cfo cfs cgc cge cgg cgi cgn cgo cgs ci- cic cie cif cig cii cik cin cio cis ckc cki cko cks cn- cnc cne cnf cng cni cnn cno cns co- coc coe cof cog coi cok con coo cos csc cse csf csg csi csk csn cso css ec- ecc ece ecf ecg eci eck ecn eco ecs eec eee eef eeg eek een eeo ees ef- efc efe eff efg efi efo efs egc ege egf egg egi egn ego egs eic eie eif eig eii eik ein eio eis ekc eke ekf ekg eki eko eks en- enc ene enf eng eni enk enn eno ens eo- eoc eoe eof eog eoi eok eon eoo eos es- esc ese esf esg esi esk esn eso ess fcc fce fcf fcg fci fck fcn fco fcs fec fee fef feg fei fek fen feo fes ffc ffe fff ffg ffi ffk ffn ffo ffs fgc fge fgf fgg fgi fgn fgs fic fie fif fig fii fik fin fis fkc fkf fkg fki fkk fnc fne fnf fng fni fnk fnn fns foc foe fof fog foi fok fon foo fos fsc fse fsf fsg fsi fsk fsn fso fss gcc gce gcf gcg gci gck gcn gco gcs ge- gec gee gef geg gei gek gen geo ges gfc gfe gff gfi gfk gfo gfs ggc ggg ggi ggn ggo ggs gic gie gif gig gii gik gin gio gis gkn gko gks gnc gne gnf gni gnn gno gns goc goe gof gog goi gok gon goo gos gsc gse gsf gsg gsi gsk gsn gso gss i-f icc ice icf icg ici ick icn ico ics ie- iec iee ief ieg iei iek ien ies ifc ife iff ifg ifi ifn ifo ifs igc ige igf igg igi igk ign igo igs iic iie iif iii iin iio iis ikc ike ikf iki ikk iko iks in- inc ine inf ing ini ink inn ino ins io- ioc ioe iof iog ioi ion ioo ios is- isc ise isf isg isi isk isn iso iss kcc kce kcg kci kck kcn kcs ke- kec kee kef keg kei kek ken keo kes kfc kff kfg kfi kfo kfs kgc kgf kgi kgo kgs kic kie kif kig kii kik kin kio kis kkc kke kki kkk kkn kks kn- knc kne knf kng kni knk knn kno koc koe kof kog koi kok kon koo kos ksc kse ksf ksg ksi ksk ksn kso kss n-i ncc nce ncf ncg nci nck ncn nco ncs ne- nec nee nef neg nei nek nen neo nes nfc nfe nff nfi nfk nfn nfo nfs ngc nge ngf ngg ngi ngk ngn ngo ngs nic nie nif nig nii nik nin nio nis nkc nke nkf nki nkk nkn nko nks nnc nne nnf nng nni nnk nnn nno nns no- noc noe nof nog noi nok non noo nos nsc nse nsf nsg nsi nsk nsn nso nss o-i oc- occ ocf ocg oci ock ocn oco ocs oec oee oef oeg oei oen oeo oes of- ofc ofe off ofg ofi ofn ofo ofs ogc oge ogf ogg ogi ogn ogo ogs oic oie oif oii oik oin oio ois okc oke okg oki okk oko oks on- onc one onf ong oni onk onn ono ons oo- ooc oof oog ooi ook oon ooo oos os- osc ose osf osg osi osk osn oso oss scc sce scf scg sci sck scn sco scs se- sec see sef seg sei sek sen seo ses sfc sfe sff sfg sfi sfk sfn sfo sfs sgc sge sgf sgg sgi sgk sgn sgo sgs sic sie sif sig sii sik sin sio sis sk- skc ske skf skg ski skk sko sks snc sne snf sng sni snk snn sno sns soc soe sof sog soi sok son soo sos ss- ssc sse ssf ssg ssi ssk ssn sso sss