-al a-a a-c aaa aac aag aal aar aas ac- aca acc acg acl acr acs ag- aga agc agg agl agr ags al- ala alc alg all alr als ar- ara arc arg arl arr ars as- asa asc asg asl asr ass c-- caa cac cag cal car cas cca ccc ccg ccl ccr ccs cga cgc cgg cgl cgr cgs cl- cla clc clg cll clr cls cra crc crg crl crr crs csa csc csg csl csr css gaa gac gag gal gar gas gca gcc gcg gcl gcr gcs gga ggc ggg ggr ggs gla glc glg gll glr gls gra grc grg grl grr grs gsa gsc gsg gsl gsr gss la- laa lac lag lal lar las lca lcc lcg lcl lcr lcs lga lgc lgg lgl lgr lgs lla llc llg lll llr lls lra lrc lrg lrr lrs lsa lsc lsg lsl lsr lss ra- raa rac rag ral rar ras rca rcc rcg rcl rcr rcs rga rgc rgg rgr rgs rla rlc rlg rll rlr rls rra rrc rrg rrl rrr rrs rsa rsc rsg rsl rsr rss saa sac sag sal sar sas sca scc scg scl scr scs sga sgc sgg sgl sgr sgs sla slc slg sll slr sls sr- sra src srg srl srr srs ss- ssa ssc ssg ssl ssr sss