a-a a-c aaa aac aak aan aas aau ac- aca acc ack acn acs acu aka akc akk akn aks aku an- ana anc ank ann ans anu as- asa asc ask asn ass asu au- aua auc auk aun aus c-- caa cac cak can cas cau cca ccc cck ccn ccs ccu cka ckc cks cn- cna cnc cnn cns cnu csa csc csk csn css csu cua cuc cuk cun cus cuu ka- kaa kac kak kan kas kau kca kcc kck kcn kcs kcu kkc kkk kkn kks kku kn- kna knc knk knn knu ksa ksc ksk ksn kss ksu kuc kuk kun kus kuu naa nac nak nan nas nau nca ncc nck ncn ncs ncu nka nkc nkk nkn nks nku nna nnc nnk nnn nns nnu nsa nsc nsk nsn nss nsu nua nuc nuk nun nus nuu saa sac sak san sas sau sca scc sck scn scs scu sk- ska skc skk sks sku sna snc snk snn sns snu ss- ssa ssc ssk ssn sss ssu sua suc suk sun sus suu ua- uaa uac uak uan uas uau uca ucc uck ucn ucs ucu uka ukc ukk ukn uku un- una unc unk unn uns unu usa usc usk usn uss usu uua uuc uun uus uuu