-al -ol a-a a-c aaa aac aag aal aan aao aas ac- aca acc acg acl acn aco acs ag- aga agc agg agl agn ago ags al- ala alc alg all aln alo als an- ana anc ang anl ann ano ans aoa aoc aog aol aon aoo aos as- asa asc asg asl asn aso ass c-- caa cac cag cal can cao cas cca ccc ccg ccl ccn cco ccs cga cgc cgg cgl cgn cgo cgs cl- cla clc clg cll cln clo cls cn- cna cnc cng cnl cnn cno cns co- coa coc cog col con coo cos csa csc csg csl csn cso css gaa gac gag gal gan gao gas gca gcc gcg gcl gcn gco gcs gga ggc ggg ggn ggo ggs gla glc glg gll gln glo gls gna gnc gnl gnn gno gns goa goc gog gol gon goo gos gsa gsc gsg gsl gsn gso gss la- laa lac lag lal lan lao las lca lcc lcg lcl lcn lco lcs lga lgc lgg lgl lgn lgo lgs lla llc llg lll lln llo lls lna lnc lng lnl lnn lno lns loa loc log lol lon loo los lsa lsc lsg lsl lsn lso lss naa nac nag nal nan nao nas nca ncc ncg ncl ncn nco ncs nga ngc ngg ngl ngn ngo ngs nla nlc nlg nll nln nlo nls nna nnc nng nnl nnn nno nns no- noa noc nog nol non noo nos nsa nsc nsg nsl nsn nso nss oaa oac oag oal oan oao oas oc- oca occ ocg ocl ocn oco ocs oga ogc ogg ogl ogn ogo ogs ola olc olg oll oln olo ols on- ona onc ong onl onn ono ons oo- ooa ooc oog ool oon ooo oos os- osa osc osg osl osn oso oss saa sac sag sal san sao sas sca scc scg scl scn sco scs sga sgc sgg sgl sgn sgo sgs sla slc slg sll sln slo sls sna snc sng snl snn sno sns soa soc sog sol son soo sos ss- ssa ssc ssg ssl ssn sso sss