a-a a-c a-q a-t aaa aac aaq aas aat aau ac- aca acc acq acs act acu aqa aqc aqs aqt as- asa asc asq ass ast asu at- ata atc ats att atu au- aua auc aus aut c-- caa cac caq cas cat cau cca ccc ccs cct ccu cqa cqc cqs cqt csa csc csq css cst csu cta ctc ctq cts ctt ctu cua cuc cuq cus cut cuu qaa qac qas qat qau qca qcc qcs qct qqq qqu qsa qsc qst qta qtc qtq qts qu- qua qus qut saa sac saq sas sat sau sca scc scs sct scu sqa sqq sqs ss- ssa ssc ssq sss sst ssu sta stc stq sts stt stu sua suc suq sus sut suu taa tac taq tas tat tau tca tcc tcs tct tcu tsa tsc tsq tss tst tsu tta ttc tts ttt ttu tua tuc tus tut tuu ua- uaa uac uaq uas uat uau uca ucc ucs uct ucu usa usc uss ust usu uta utc uts utt utu uua uuc uus uut uuu