a-a a-c a-t aaa aac aad aan aar aat aau ac- aca acc acd acn acr act acu ad- ada adc add adn adr adt adu an- ana anc and ann anr ant anu ar- ara arc ard arn arr art aru at- ata atc atd atn atr att atu au- aua auc aud aun aur aut c-- caa cac cad can car cat cau cca ccc ccd ccn ccr cct ccu cda cdc cdd cdn cdr cdt cdu cn- cna cnc cnd cnn cnr cnt cnu cra crc crd crn crr crt cru cta ctc ctd ctn ctr ctt ctu cua cuc cud cun cur cut cuu daa dac dad dan dar dat dau dca dcc dcd dcn dcr dct dcu dda ddc ddd ddn ddr ddt ddu dna dnc dnd dnn dnr dnt dra drc drd drn drr drt dru dta dtc dtd dtn dtr dtt dtu dua duc dud dun dur dut naa nac nad nan nar nat nau nca ncc ncd ncn ncr nct ncu nda ndc ndd ndn ndr ndt ndu nna nnc nnn nnt nnu nra nrc nrd nrn nrr nrt nru nta ntc ntd ntn ntr ntt ntu nua nuc nud nun nur nut nuu ra- raa rac rad ran rar rat rau rca rcc rcd rcn rcr rct rcu rda rdc rdd rdn rdr rdt rdu rna rnc rnd rnn rnr rnt rnu rra rrc rrd rrn rrr rrt rru rta rtc rtd rtn rtr rtt rtu rua ruc rud run rur rut ruu taa tac tad tan tar tat tau tca tcc tcd tcn tcr tct tcu tda tdc tdd tdn tdr tdt tdu tna tnc tnd tnn tnr tnt tra trc trd trn trr trt tru tta ttc ttd ttn ttr ttt ttu tua tuc tud tun tur tut tuu ua- uaa uac uad uan uar uat uau uca ucc ucd ucn ucr uct ucu uda udc udd udn udr udt udu un- una unc und unn unr unt unu ur- ura urc urd urn urr urt uru uta utc utd utn utr utt utu uua uuc uun uur uut uuu