a-a a-c a-t aaa aac aam aas aat aau ac- aca acc acm acs act acu ama amc amm ams amt amu as- asa asc asm ass ast asu at- ata atc atm ats att atu au- aua auc aum aus aut c-- caa cac cam cas cat cau cca ccc ccm ccs cct ccu cma cmc cmm cms cmt cmu csa csc csm css cst csu cta ctc ctm cts ctt ctu cua cuc cum cus cut cuu maa mac mam mas mat mau mc- mca mcc mcm mcs mct mcu mma mmc mmm mms mmt mmu msa msc msm mss mst msu mta mtc mtm mts mtt mtu mua muc mum mus mut muu saa sac sam sas sat sau sca scc scm scs sct scu sma smc smm sms smt smu ss- ssa ssc ssm sss sst ssu sta stc stm sts stt stu sua suc sum sus sut suu taa tac tam tas tat tau tca tcc tcm tcs tct tcu tma tmc tmm tms tmt tmu tsa tsc tsm tss tst tsu tta ttc ttm tts ttt ttu tua tuc tum tus tut tuu ua- uaa uac uam uas uat uau uca ucc ucm ucs uct ucu um- uma umc umm ums umt umu usa usc usm uss ust usu uta utc utm uts utt utu uua uuc uum uus uut uuu