a-a a-c a-t aaa aac aan aas aat aau ac- aca acc acn acs act acu an- ana anc ann ans ant anu as- asa asc asn ass ast asu at- ata atc atn ats att atu au- aua auc aun aus aut c-- caa cac can cas cat cau cca ccc ccn ccs cct ccu cn- cna cnc cnn cns cnt cnu csa csc csn css cst csu cta ctc ctn cts ctt ctu cua cuc cun cus cut cuu naa nac nan nas nat nau nca ncc ncn ncs nct ncu nna nnc nnn nns nnt nnu nsa nsc nsn nss nst nsu nta ntc ntn nts ntt ntu nua nuc nun nus nut nuu saa sac san sas sat sau sca scc scn scs sct scu sna snc snn sns snt snu ss- ssa ssc ssn sss sst ssu sta stc stn sts stt stu sua suc sun sus sut suu taa tac tan tas tat tau tca tcc tcn tcs tct tcu tna tnc tnn tns tnt tsa tsc tsn tss tst tsu tta ttc ttn tts ttt ttu tua tuc tun tus tut tuu ua- uaa uac uan uas uat uau uca ucc ucn ucs uct ucu un- una unc unn uns unt unu usa usc usn uss ust usu uta utc utn uts utt utu uua uuc uun uus uut uuu