-al a-a a-t aaa aag aal aar aas aat ag- aga agg agl agr ags agt al- ala alg all alr als alt ar- ara arg arl arr ars art as- asa asg asl asr ass ast at- ata atg atl atr ats att gaa gag gal gar gas gat gga ggg ggr ggs ggt gla glg gll glr gls glt gra grg grl grr grs grt gsa gsg gsl gsr gss gst gta gtg gtl gtr gts gtt la- laa lag lal lar las lat lga lgg lgl lgr lgs lgt lla llg lll llr lls llt lra lrg lrr lrs lrt lsa lsg lsl lsr lss lst lta ltg ltl ltr lts ltt ra- raa rag ral rar ras rat rga rgg rgr rgs rgt rla rlg rll rlr rls rlt rra rrg rrl rrr rrs rrt rsa rsg rsl rsr rss rst rta rtg rtl rtr rts rtt saa sag sal sar sas sat sga sgg sgl sgr sgs sgt sla slg sll slr sls slt sr- sra srg srl srr srs srt ss- ssa ssg ssl ssr sss sst sta stg stl str sts stt taa tag tal tar tas tat tga tgg tgl tgr tgs tgt tla tlg tll tlr tls tlt tra trg trl trr trs trt tsa tsg tsl tsr tss tst tta ttg ttl ttr tts ttt