c-- ccc ccd cce ccg cck ccn cco ccs cdc cdd cde cdg cdk cdn cdo cds ce- cec ced cee ceg cek cen ceo ces cgc cgd cge cgg cgn cgo cgs ckc ckd cko cks cn- cnc cnd cne cng cnn cno cns co- coc cod coe cog cok con coo cos csc csd cse csg csk csn cso css dcc dcd dce dcg dck dcn dco dcs ddc ddd dde ddg ddk ddn ddo dds de- dec ded dee deg dek den deo des dgc dgd dge dgg dgk dgn dgs dkc dke dkg dkk dko dks dnc dnd dne dng dnk dnn dno dns doc dod doe dog dok don doo dos dsc dsd dse dsg dsk dsn dso dss ec- ecc ecd ece ecg eck ecn eco ecs ed- edc edd ede edg edk edn edo eds eec eed eee eeg eek een eeo ees egc egd ege egg egn ego egs ekc ekd eke ekg eko eks en- enc end ene eng enk enn eno ens eo- eoc eod eoe eog eok eon eoo eos es- esc esd ese esg esk esn eso ess g-d gcc gcd gce gcg gck gcn gco gcs gdc gdd gde gdk gdn gdo gds ge- gec ged gee geg gek gen geo ges ggc ggd ggg ggn ggo ggs gkd gkn gko gks gnc gnd gne gnn gno gns goc god goe gog gok gon goo gos gsc gsd gse gsg gsk gsn gso gss kcc kcd kce kcg kck kcn kcs kdc kde kdg kdk kdo kds ke- kec ked kee keg kek ken keo kes kgc kgd kgo kgs kkc kke kkk kkn kks kn- knc knd kne kng knk knn kno koc kod koe kog kok kon koo kos ksc ksd kse ksg ksk ksn kso kss ncc ncd nce ncg nck ncn nco ncs ndc ndd nde ndg ndk ndn ndo nds ne- nec ned nee neg nek nen neo nes ngc ngd nge ngg ngk ngn ngo ngs nkc nke nkk nkn nko nks nnc nne nng nnk nnn nno nns no- noc nod noe nog nok non noo nos nsc nsd nse nsg nsk nsn nso nss oc- occ ocd ocg ock ocn oco ocs odc odd ode odg odn odo ods oec oed oee oeg oen oeo oes ogc ogd oge ogg ogn ogo ogs okc okd oke okg okk oko oks on- onc ond one ong onk onn ono ons oo- ooc ood oog ook oon ooo oos os- osc osd ose osg osk osn oso oss scc scd sce scg sck scn sco scs sdc sdd sde sdg sdk sdn sdo sds se- sec sed see seg sek sen seo ses sgc sgd sge sgg sgk sgn sgo sgs sk- skc skd ske skg skk sko sks snc snd sne sng snk snn sno sns soc sod soe sog sok son soo sos ss- ssc ssd sse ssg ssk ssn sso sss