-al a-a a-c aaa aac aag aal aar aas aau ac- aca acc acg acl acr acs acu ag- aga agc agg agl agr ags agu al- ala alc alg all alr als alu ar- ara arc arg arl arr ars aru as- asa asc asg asl asr ass asu au- aua auc aug aul aur aus c-- caa cac cag cal car cas cau cca ccc ccg ccl ccr ccs ccu cga cgc cgg cgl cgr cgs cgu cl- cla clc clg cll clr cls clu cra crc crg crl crr crs cru csa csc csg csl csr css csu cua cuc cug cul cur cus cuu gaa gac gag gal gar gas gau gca gcc gcg gcl gcr gcs gcu gga ggc ggg ggr ggs ggu gla glc glg gll glr gls glu gra grc grg grl grr grs gru gsa gsc gsg gsl gsr gss gsu gu- gua guc gug gul gur gus guu la- laa lac lag lal lar las lau lca lcc lcg lcl lcr lcs lcu lga lgc lgg lgl lgr lgs lgu lla llc llg lll llr lls llu lra lrc lrg lrr lrs lru lsa lsc lsg lsl lsr lss lsu lua luc lug lul lur lus luu ra- raa rac rag ral rar ras rau rca rcc rcg rcl rcr rcs rcu rga rgc rgg rgr rgs rla rlc rlg rll rlr rls rlu rra rrc rrg rrl rrr rrs rru rsa rsc rsg rsl rsr rss rsu rua ruc rug rur rus ruu saa sac sag sal sar sas sau sca scc scg scl scr scs scu sga sgc sgg sgl sgr sgs sgu sla slc slg sll slr sls slu sr- sra src srg srl srr srs ss- ssa ssc ssg ssl ssr sss ssu sua suc sug sul sur sus suu ua- uaa uac uag ual uar uas uau uca ucc ucg ucl ucr ucs ucu uga ugc ugg ugl ugr ugs ugu ula ulc ulg ull ulr uls ulu ur- ura urc urg url urr urs uru usa usc usg usl usr uss usu uua uuc uug uur uus uuu