-er a-a a-c a-t aaa aac aad aae aaf aan aar aat aau ac- aca acc acd ace acf acn acr act acu ad- ada adc add ade adf adn adr adt adu aea aec aed aee aef aen aer aet aeu af- afa afc afd afe aff afn afr aft afu an- ana anc and ane anf ann anr ant anu ar- ara arc ard are arf arn arr art aru at- ata atc atd ate atf atn atr att atu au- aua auc aud aue auf aun aur aut c-- caa cac cad cae caf can car cat cau cca ccc ccd cce ccf ccn ccr cct ccu cda cdc cdd cde cdf cdn cdr cdt cdu ce- cea cec ced cee cef cen cer cet ceu cfa cfc cfd cfe cff cfn cfr cft cfu cn- cna cnc cnd cne cnf cnn cnr cnt cnu cra crc crd cre crf crn crr crt cru cta ctc ctd cte ctf ctn ctr ctt ctu cua cuc cud cue cuf cun cur cut cuu daa dac dad dae daf dan dar dat dau dca dcc dcd dce dcf dcn dcr dct dcu dda ddc ddd dde ddf ddn ddr ddt ddu de- dea dec ded dee def den der det deu dfa dfc dfd dfe dff dfn dfr dft dfu dna dnc dnd dne dnf dnn dnr dnt dra drc drd dre drn drr drt dru dta dtc dtd dte dtf dtn dtr dtt dtu dua duc dud due duf dun dur dut eaa eac ead eae eaf ean ear eat eau ec- eca ecc ecd ece ecf ecn ecr ect ecu ed- eda edc edd ede edf edn edr edt edu eea eec eed eee eef een eer eet ef- efa efc efd efe eff efr eft en- ena enc end ene enf enn enr ent enu era erc erd ere erf ern err ert eru eta etc etd ete etf etn etr ett etu eu- eua euc eud eue euf eun eur eut faa fac fad fae faf fan far fat fau fca fcc fcd fce fcf fcn fcr fct fcu fda fdc fdd fde fdf fdn fdr fdt fdu fea fec fed fee fef fen fer fet feu ffa ffc ffd ffe fff ffn ffr fft ffu fna fnc fnd fne fnf fnn fnr fnt fnu fra frc frd fre frf frn frr frt fru fta ftc ftd fte ftf ftn ftr ftt ftu fua fud fue fuf fun fur fut fuu naa nac nad nae naf nan nar nat nau nca ncc ncd nce ncf ncn ncr nct ncu nda ndc ndd nde ndf ndn ndr ndt ndu ne- nea nec ned nee nef nen ner net neu nfa nfc nfd nfe nff nfn nfr nft nfu nna nnc nne nnf nnn nnt nnu nra nrc nrd nre nrf nrn nrr nrt nru nta ntc ntd nte ntf ntn ntr ntt ntu nua nuc nud nue nun nur nut nuu ra- raa rac rad rae raf ran rar rat rau rca rcc rcd rce rcf rcn rcr rct rcu rda rdc rdd rde rdf rdn rdr rdt rdu re- rea rec red ree ref ren rer ret reu rfa rfc rfd rfe rff rfn rfr rft rfu rna rnc rnd rnn rnr rnt rnu rra rrc rrd rrf rrn rrr rrt rru rta rtc rtd rte rtf rtn rtr rtt rtu rua ruc rud rue ruf run rur rut ruu taa tac tad tae taf tan tar tat tau tca tcc tcd tce tcf tcn tcr tct tcu tda tdc tdd tde tdf tdn tdr tdt tdu te- tea tec ted tee tef ten ter tet teu tfa tfc tfd tfe tff tfn tfr tft tfu tna tnc tnd tne tnf tnn tnr tnt tra trc trd tre trf trn trr trt tru tta ttc ttd tte ttf ttn ttr ttt ttu tua tuc tud tue tuf tun tur tut tuu ua- uaa uac uad uae uaf uan uar uat uau uca ucc ucd uce ucf ucn ucr uct ucu uda udc udd ude udf udn udr udt udu uea uec ued uee uef uen uer uet ufa ufc ufd ufe uff ufn ufr uft ufu un- una unc und une unf unn unr unt unu ur- ura urc urd ure urf urn urr urt uru uta utc utd ute utf utn utr utt utu uua uuc uue uun uur uut uuu