-ol c-- ccc ccd ccg cck ccl cco ccs cdc cdd cdg cdk cdl cdo cds cgc cgd cgg cgl cgo cgs ckc ckd cko cks cl- clc cld clg clk cll clo cls co- coc cod cog cok col coo cos csc csd csg csk csl cso css dcc dcd dcg dck dcl dco dcs ddc ddd ddg ddk ddl ddo dds dgc dgd dgg dgk dgl dgs dkc dkg dkk dkl dko dks dl- dlc dld dlg dlk dll dlo dls doc dod dog dok dol doo dos dsc dsd dsg dsk dsl dso dss g-d gcc gcd gcg gck gcl gco gcs gdc gdd gdk gdl gdo gds ggc ggd ggg ggo ggs gkd gko gks glc gld glg glk gll glo gls goc god gog gok gol goo gos gsc gsd gsg gsk gsl gso gss kcc kcd kcg kck kcl kcs kdc kdg kdk kdl kdo kds kgc kgd kgl kgo kgs kkc kkk kkl kks kl- klc kld klg klo kls koc kod kog kok kol koo kos ksc ksd ksg ksk ksl kso kss lcc lcd lcg lck lcl lco lcs ldc ldd ldg ldk ldl ldo lds lgc lgd lgg lgk lgl lgo lgs lkg lkl lks llc lld llg llk lll llo lls loc lod log lok lol loo los lsc lsd lsg lsk lsl lso lss oc- occ ocd ocg ock ocl oco ocs odc odd odg odl odo ods ogc ogd ogg ogl ogo ogs okc okd okg okk okl oko oks olc old olg olk oll olo ols oo- ooc ood oog ook ool ooo oos os- osc osd osg osk osl oso oss scc scd scg sck scl sco scs sdc sdd sdg sdk sdl sdo sds sgc sgd sgg sgk sgl sgo sgs sk- skc skd skg skk skl sko sks slc sld slg slk sll slo sls soc sod sog sok sol soo sos ss- ssc ssd ssg ssk ssl sso sss