a-a a-c aaa aac aak aas aau ac- aca acc ack acs acu aka akc akk aks aku as- asa asc ask ass asu au- aua auc auk aus c-- caa cac cak cas cau cca ccc cck ccs ccu cka ckc cks csa csc csk css csu cua cuc cuk cus cuu ka- kaa kac kak kas kau kca kcc kck kcs kcu kkc kkk kks kku ksa ksc ksk kss ksu kuc kuk kus kuu saa sac sak sas sau sca scc sck scs scu sk- ska skc skk sks sku ss- ssa ssc ssk sss ssu sua suc suk sus suu ua- uaa uac uak uas uau uca ucc uck ucs ucu uka ukc ukk uku usa usc usk uss usu uua uuc uus uuu