-ol c-- ccc cce ccg cck ccl ccn cco ccs ce- cec cee ceg cek cel cen ceo ces cgc cge cgg cgl cgn cgo cgs ckc cko cks cl- clc cle clg clk cll cln clo cls cn- cnc cne cng cnl cnn cno cns co- coc coe cog cok col con coo cos csc cse csg csk csl csn cso css ec- ecc ece ecg eck ecl ecn eco ecs eec eee eeg eek eel een eeo ees egc ege egg egl egn ego egs ekc eke ekg ekl eko eks elc ele elg elk ell eln elo els en- enc ene eng enk enl enn eno ens eo- eoc eoe eog eok eol eon eoo eos es- esc ese esg esk esl esn eso ess gcc gce gcg gck gcl gcn gco gcs ge- gec gee geg gek gel gen geo ges ggc ggg ggn ggo ggs gkn gko gks glc gle glg glk gll gln glo gls gnc gne gnl gnn gno gns goc goe gog gok gol gon goo gos gsc gse gsg gsk gsl gsn gso gss kcc kce kcg kck kcl kcn kcs ke- kec kee keg kek kel ken keo kes kgc kgl kgo kgs kkc kke kkk kkl kkn kks kl- klc klg klo kls kn- knc kne kng knk knl knn kno koc koe kog kok kol kon koo kos ksc kse ksg ksk ksl ksn kso kss lcc lce lcg lck lcl lcn lco lcs lec lee leg lek lel len leo les lgc lge lgg lgk lgl lgn lgo lgs lkg lkl lks llc lle llg llk lll lln llo lls lnc lne lng lnk lnl lnn lno lns loc loe log lok lol lon loo los lsc lse lsg lsk lsl lsn lso lss ncc nce ncg nck ncl ncn nco ncs ne- nec nee neg nek nel nen neo nes ngc nge ngg ngk ngl ngn ngo ngs nkc nke nkk nkn nko nks nlc nle nlg nlk nll nln nlo nls nnc nne nng nnk nnl nnn nno nns no- noc noe nog nok nol non noo nos nsc nse nsg nsk nsl nsn nso nss oc- occ ocg ock ocl ocn oco ocs oec oee oeg oel oen oeo oes ogc oge ogg ogl ogn ogo ogs okc oke okg okk okl oko oks olc ole olg olk oll oln olo ols on- onc one ong onk onl onn ono ons oo- ooc oog ook ool oon ooo oos os- osc ose osg osk osl osn oso oss scc sce scg sck scl scn sco scs se- sec see seg sek sel sen seo ses sgc sge sgg sgk sgl sgn sgo sgs sk- skc ske skg skk skl sko sks slc sle slg slk sll sln slo sls snc sne sng snk snl snn sno sns soc soe sog sok sol son soo sos ss- ssc sse ssg ssk ssl ssn sso sss