a-a a-t aaa aag aas aat aau ag- aga agg ags agt agu as- asa asg ass ast asu at- ata atg ats att atu au- aua aug aus aut gaa gag gas gat gau gga ggg ggs ggt ggu gsa gsg gss gst gsu gta gtg gts gtt gtu gu- gua gug gus gut guu saa sag sas sat sau sga sgg sgs sgt sgu ss- ssa ssg sss sst ssu sta stg sts stt stu sua sug sus sut suu taa tag tas tat tau tga tgg tgs tgt tgu tsa tsg tss tst tsu tta ttg tts ttt ttu tua tug tus tut tuu ua- uaa uag uas uat uau uga ugg ugs ugt ugu usa usg uss ust usu uta uts utt utu uua uug uus uut uuu