a-a a-c a-z aaa aac aam aas aaz ac- aca acc acm acs acz ama amc amm ams amz as- asa asc asm ass asz az- aza azm azs azz c-- caa cac cam cas caz cca ccc ccm ccs ccz cma cmc cmm cms csa csc csm css csz cz- czc czm maa mac mam mas maz mc- mca mcc mcm mcs mcz mma mmc mmm mms mmz msa msc msm mss mza mzm saa sac sam sas saz sca scc scm scs sma smc smm sms smz ss- ssa ssc ssm sss ssz sza zaa zac zam zas zaz zcs zma zmc zmm zms zsa zsm zsz zzs zzz