-er a-a a-c a-t aaa aac aad aae aan aar aat aau ac- aca acc acd ace acn acr act acu ad- ada adc add ade adn adr adt adu aea aec aed aee aen aer aet aeu an- ana anc and ane ann anr ant anu ar- ara arc ard are arn arr art aru at- ata atc atd ate atn atr att atu au- aua auc aud aue aun aur aut c-- caa cac cad cae can car cat cau cca ccc ccd cce ccn ccr cct ccu cda cdc cdd cde cdn cdr cdt cdu ce- cea cec ced cee cen cer cet ceu cn- cna cnc cnd cne cnn cnr cnt cnu cra crc crd cre crn crr crt cru cta ctc ctd cte ctn ctr ctt ctu cua cuc cud cue cun cur cut cuu daa dac dad dae dan dar dat dau dca dcc dcd dce dcn dcr dct dcu dda ddc ddd dde ddn ddr ddt ddu de- dea dec ded dee den der det deu dna dnc dnd dne dnn dnr dnt dra drc drd dre drn drr drt dru dta dtc dtd dte dtn dtr dtt dtu dua duc dud due dun dur dut eaa eac ead eae ean ear eat eau ec- eca ecc ecd ece ecn ecr ect ecu ed- eda edc edd ede edn edr edt edu eea eec eed eee een eer eet en- ena enc end ene enn enr ent enu era erc erd ere ern err ert eru eta etc etd ete etn etr ett etu eu- eua euc eud eue eun eur eut naa nac nad nae nan nar nat nau nca ncc ncd nce ncn ncr nct ncu nda ndc ndd nde ndn ndr ndt ndu ne- nea nec ned nee nen ner net neu nna nnc nne nnn nnt nnu nra nrc nrd nre nrn nrr nrt nru nta ntc ntd nte ntn ntr ntt ntu nua nuc nud nue nun nur nut nuu ra- raa rac rad rae ran rar rat rau rca rcc rcd rce rcn rcr rct rcu rda rdc rdd rde rdn rdr rdt rdu re- rea rec red ree ren rer ret reu rna rnc rnd rnn rnr rnt rnu rra rrc rrd rrn rrr rrt rru rta rtc rtd rte rtn rtr rtt rtu rua ruc rud rue run rur rut ruu taa tac tad tae tan tar tat tau tca tcc tcd tce tcn tcr tct tcu tda tdc tdd tde tdn tdr tdt tdu te- tea tec ted tee ten ter tet teu tna tnc tnd tne tnn tnr tnt tra trc trd tre trn trr trt tru tta ttc ttd tte ttn ttr ttt ttu tua tuc tud tue tun tur tut tuu ua- uaa uac uad uae uan uar uat uau uca ucc ucd uce ucn ucr uct ucu uda udc udd ude udn udr udt udu uea uec ued uee uen uer uet un- una unc und une unn unr unt unu ur- ura urc urd ure urn urr urt uru uta utc utd ute utn utr utt utu uua uuc uue uun uur uut uuu