a-a a-c aaa aac aad aan aas aau ac- aca acc acd acn acs acu ad- ada adc add adn ads adu an- ana anc and ann ans anu as- asa asc asd asn ass asu au- aua auc aud aun aus c-- caa cac cad can cas cau cca ccc ccd ccn ccs ccu cda cdc cdd cdn cds cdu cn- cna cnc cnd cnn cns cnu csa csc csd csn css csu cua cuc cud cun cus cuu daa dac dad dan das dau dca dcc dcd dcn dcs dcu dda ddc ddd ddn dds ddu dna dnc dnd dnn dns dsa dsc dsd dsn dss dsu dua duc dud dun dus naa nac nad nan nas nau nca ncc ncd ncn ncs ncu nda ndc ndd ndn nds ndu nna nnc nnn nns nnu nsa nsc nsd nsn nss nsu nua nuc nud nun nus nuu saa sac sad san sas sau sca scc scd scn scs scu sda sdc sdd sdn sds sdu sna snc snd snn sns snu ss- ssa ssc ssd ssn sss ssu sua suc sud sun sus suu ua- uaa uac uad uan uas uau uca ucc ucd ucn ucs ucu uda udc udd udn uds udu un- una unc und unn uns unu usa usc usd usn uss usu uua uuc uun uus uuu