a-a a-c aaa aac aad aan aar aas aau ac- aca acc acd acn acr acs acu ad- ada adc add adn adr ads adu an- ana anc and ann anr ans anu ar- ara arc ard arn arr ars aru as- asa asc asd asn asr ass asu au- aua auc aud aun aur aus c-- caa cac cad can car cas cau cca ccc ccd ccn ccr ccs ccu cda cdc cdd cdn cdr cds cdu cn- cna cnc cnd cnn cnr cns cnu cra crc crd crn crr crs cru csa csc csd csn csr css csu cua cuc cud cun cur cus cuu daa dac dad dan dar das dau dca dcc dcd dcn dcr dcs dcu dda ddc ddd ddn ddr dds ddu dna dnc dnd dnn dnr dns dra drc drd drn drr drs dru dsa dsc dsd dsn dsr dss dsu dua duc dud dun dur dus naa nac nad nan nar nas nau nca ncc ncd ncn ncr ncs ncu nda ndc ndd ndn ndr nds ndu nna nnc nnn nns nnu nra nrc nrd nrn nrr nrs nru nsa nsc nsd nsn nsr nss nsu nua nuc nud nun nur nus nuu ra- raa rac rad ran rar ras rau rca rcc rcd rcn rcr rcs rcu rda rdc rdd rdn rdr rds rdu rna rnc rnd rnn rnr rns rnu rra rrc rrd rrn rrr rrs rru rsa rsc rsd rsn rsr rss rsu rua ruc rud run rur rus ruu saa sac sad san sar sas sau sca scc scd scn scr scs scu sda sdc sdd sdn sdr sds sdu sna snc snd snn snr sns snu sr- sra src srd srn srr srs ss- ssa ssc ssd ssn ssr sss ssu sua suc sud sun sur sus suu ua- uaa uac uad uan uar uas uau uca ucc ucd ucn ucr ucs ucu uda udc udd udn udr uds udu un- una unc und unn unr uns unu ur- ura urc urd urn urr urs uru usa usc usd usn usr uss usu uua uuc uun uur uus uuu