a-a a-c aaa aac aam aas aau ac- aca acc acm acs acu ama amc amm ams amu as- asa asc asm ass asu au- aua auc aum aus c-- caa cac cam cas cau cca ccc ccm ccs ccu cma cmc cmm cms cmu csa csc csm css csu cua cuc cum cus cuu maa mac mam mas mau mc- mca mcc mcm mcs mcu mma mmc mmm mms mmu msa msc msm mss msu mua muc mum mus muu saa sac sam sas sau sca scc scm scs scu sma smc smm sms smu ss- ssa ssc ssm sss ssu sua suc sum sus suu ua- uaa uac uam uas uau uca ucc ucm ucs ucu um- uma umc umm ums umu usa usc usm uss usu uua uuc uum uus uuu