-al a-a a-c aaa aac aag aal aan aas ac- aca acc acg acl acn acs ag- aga agc agg agl agn ags al- ala alc alg all aln als an- ana anc ang anl ann ans as- asa asc asg asl asn ass c-- caa cac cag cal can cas cca ccc ccg ccl ccn ccs cga cgc cgg cgl cgn cgs cl- cla clc clg cll cln cls cn- cna cnc cng cnl cnn cns csa csc csg csl csn css gaa gac gag gal gan gas gca gcc gcg gcl gcn gcs gga ggc ggg ggn ggs gla glc glg gll gln gls gna gnc gnl gnn gns gsa gsc gsg gsl gsn gss la- laa lac lag lal lan las lca lcc lcg lcl lcn lcs lga lgc lgg lgl lgn lgs lla llc llg lll lln lls lna lnc lng lnl lnn lns lsa lsc lsg lsl lsn lss naa nac nag nal nan nas nca ncc ncg ncl ncn ncs nga ngc ngg ngl ngn ngs nla nlc nlg nll nln nls nna nnc nng nnl nnn nns nsa nsc nsg nsl nsn nss saa sac sag sal san sas sca scc scg scl scn scs sga sgc sgg sgl sgn sgs sla slc slg sll sln sls sna snc sng snl snn sns ss- ssa ssc ssg ssl ssn sss