-er a-a a-c a-t aaa aac aad aae aan aar aas aat aau ac- aca acc acd ace acn acr acs act acu ad- ada adc add ade adn adr ads adt adu aea aec aed aee aen aer aes aet aeu an- ana anc and ane ann anr ans ant anu ar- ara arc ard are arn arr ars art aru as- asa asc asd ase asn asr ass ast asu at- ata atc atd ate atn atr ats att atu au- aua auc aud aue aun aur aus aut c-- caa cac cad cae can car cas cat cau cca ccc ccd cce ccn ccr ccs cct ccu cda cdc cdd cde cdn cdr cds cdt cdu ce- cea cec ced cee cen cer ces cet ceu cn- cna cnc cnd cne cnn cnr cns cnt cnu cra crc crd cre crn crr crs crt cru csa csc csd cse csn csr css cst csu cta ctc ctd cte ctn ctr cts ctt ctu cua cuc cud cue cun cur cus cut cuu daa dac dad dae dan dar das dat dau dca dcc dcd dce dcn dcr dcs dct dcu dda ddc ddd dde ddn ddr dds ddt ddu de- dea dec ded dee den der des det deu dna dnc dnd dne dnn dnr dns dnt dra drc drd dre drn drr drs drt dru dsa dsc dsd dse dsn dsr dss dst dsu dta dtc dtd dte dtn dtr dts dtt dtu dua duc dud due dun dur dus dut eaa eac ead eae ean ear eas eat eau ec- eca ecc ecd ece ecn ecr ecs ect ecu ed- eda edc edd ede edn edr eds edt edu eea eec eed eee een eer ees eet en- ena enc end ene enn enr ens ent enu era erc erd ere ern err ers ert eru es- esa esc esd ese esn esr ess est esu eta etc etd ete etn etr ets ett etu eu- eua euc eud eue eun eur eus eut naa nac nad nae nan nar nas nat nau nca ncc ncd nce ncn ncr ncs nct ncu nda ndc ndd nde ndn ndr nds ndt ndu ne- nea nec ned nee nen ner nes net neu nna nnc nne nnn nns nnt nnu nra nrc nrd nre nrn nrr nrs nrt nru nsa nsc nsd nse nsn nsr nss nst nsu nta ntc ntd nte ntn ntr nts ntt ntu nua nuc nud nue nun nur nus nut nuu ra- raa rac rad rae ran rar ras rat rau rca rcc rcd rce rcn rcr rcs rct rcu rda rdc rdd rde rdn rdr rds rdt rdu re- rea rec red ree ren rer res ret reu rna rnc rnd rnn rnr rns rnt rnu rra rrc rrd rrn rrr rrs rrt rru rsa rsc rsd rse rsn rsr rss rst rsu rta rtc rtd rte rtn rtr rts rtt rtu rua ruc rud rue run rur rus rut ruu saa sac sad sae san sar sas sat sau sca scc scd sce scn scr scs sct scu sda sdc sdd sde sdn sdr sds sdt sdu se- sea sec sed see sen ser ses set seu sna snc snd sne snn snr sns snt snu sr- sra src srd sre srn srr srs srt ss- ssa ssc ssd sse ssn ssr sss sst ssu sta stc std ste stn str sts stt stu sua suc sud sue sun sur sus sut suu taa tac tad tae tan tar tas tat tau tca tcc tcd tce tcn tcr tcs tct tcu tda tdc tdd tde tdn tdr tds tdt tdu te- tea tec ted tee ten ter tes tet teu tna tnc tnd tne tnn tnr tns tnt tra trc trd tre trn trr trs trt tru tsa tsc tsd tse tsn tsr tss tst tsu tta ttc ttd tte ttn ttr tts ttt ttu tua tuc tud tue tun tur tus tut tuu ua- uaa uac uad uae uan uar uas uat uau uca ucc ucd uce ucn ucr ucs uct ucu uda udc udd ude udn udr uds udt udu uea uec ued uee uen uer ues uet un- una unc und une unn unr uns unt unu ur- ura urc urd ure urn urr urs urt uru usa usc usd use usn usr uss ust usu uta utc utd ute utn utr uts utt utu uua uuc uue uun uur uus uut uuu