a-a a-c a-z aaa aac aah aan aas aaz ac- aca acc ach acn acs acz aha ahc ahh ahn ahs ahz an- ana anc anh ann ans anz as- asa asc ash asn ass asz az- aza azn azs azz c-- caa cac cah can cas caz cca ccc cch ccn ccs ccz ch- cha chc chh chn chs chz cn- cna cnc cnh cnn cns csa csc csh csn css csz cz- czc haa hac hah han has haz hca hcc hch hcn hcs hha hhc hhh hhn hhs hhz hna hnc hnh hnn hns hnz hsa hsc hsh hsn hss hsz hzs naa nac nah nan nas naz nca ncc nch ncn ncs nha nhc nhh nhn nhs nhz nna nnc nnh nnn nns nnz nsa nsc nsh nsn nss nsz nzs nzz saa sac sah san sas saz sca scc sch scn scs sh- sha shc shh shn shs sna snc snn sns ss- ssa ssc ssh ssn sss ssz sza zaa zac zah zan zas zaz zcs zha zhc zhs znc znn zns zsa zsh zsz zzs zzz