-er a-a a-c a-t aaa aac aad aae aar aat aax ac- aca acc acd ace acr act acx ad- ada adc add ade adr adt adx aea aec aed aee aer aet aex ar- ara arc ard are arr art arx at- ata atc atd ate atr att atx ax- axa axe axr axt axx c-- caa cac cad cae car cat cax cca ccc ccd cce ccr cct ccx cda cdc cdd cde cdr cdt cdx ce- cea cec ced cee cer cet cex cra crc crd cre crr crt crx cta ctc ctd cte ctr ctt ctx cxc cxr cxt cxx daa dac dad dae dar dat dax dca dcc dcd dce dcr dct dcx dda ddc ddd dde ddr ddt ddx de- dea dec ded dee der det dex dra drc drd dre drr drt drx dta dtc dtd dte dtr dtt dtx dxc dxd dxr dxt dxx eaa eac ead eae ear eat eax ec- eca ecc ecd ece ecr ect ecx ed- eda edc edd ede edr edt edx eea eec eed eee eer eet eex era erc erd ere err ert eta etc etd ete etr ett etx ex- exa exc exd exe exr ext exx ra- raa rac rad rae rar rat rax rca rcc rcd rce rcr rct rcx rda rdc rdd rde rdr rdt rdx re- rea rec red ree rer ret rex rra rrc rrd rrr rrt rta rtc rtd rte rtr rtt rtx rxr t-x taa tac tad tae tar tat tax tca tcc tcd tce tcr tct tcx tda tdc tdd tde tdr tdt tdx te- tea tec ted tee ter tet tex tra trc trd tre trr trt trx tta ttc ttd tte ttr ttt ttx txe txt xaa xac xad xar xat xcd xcr xcx xda xdc xde xdr xdt xed xee xer xet xex xrc xrd xrt xrx xtc xtr xtx xxx

aaaa aaac aaad aaae aaar aaca aacc aacd aace aacr aact aada aadc aade aadt aaea aaec aara aarc aard aare aart aata aatc aatt ac-t acaa acac acad acae acar acat acca accc accd acce acct acda acdc acde acdt ace- acea acec aced acer acet acr- acra acrc acre acrr acta actc acte actt adaa adac adad adae adar adat adcc adda addc addd adde addr adea adee ader adet adra adre adta aeac aect aede aedt aeer aer- aera aerc aerd aeta aetc aetr aett aetx arac arad arae arar arat arax arc- arca arce arct arda ardc arde area arec ared aree aret arex arr- arra arrc arre arrr arrt arta artc arte artr artx at-t at-x ataa atac atad atae atar atat atax atca atcc atcr atdt atea atec ated atee ater atex atra atrc atre atrx atta atte attr axar axat axce axed axer c-cd caaa caac caat cac- caca cacc cace cacr cada cadc cadd cade cadr caec caer caex cara carc card care carr cart carx cat- cata catc catd cate catt caxa ccaa ccac ccad ccar ccat ccca cccc ccdc ccdr cced ccee ccra ccrc ccre ccrt cctc cctt cd-e cd-r cdaa cdac cdad cdax cdda cddr cdec cder cdex cdre ceac cead cear ceat cec- ceca cece cect ceda cedd cede cedt ceec cer- cera cerc cerd cere cert cet- ceta cete cexe crac crar crat crax crca crcc crce crcr crda crdc cre- crea crec cred cree cret crex crrt crtc ctae ctca ctec ctrc ctta cxxx daad daae daar daca dace dact dada dade daer dara darc dard dare darr dart data date datr datt dcca dccc dcct dcra dctc dcxx dddd ddrc ddre deac dead deae dear dec- deca decc decd dece dect deda dedd dede deed deer deet der- dera derc dere derr deta dete detr dex- dexa dexe dext draa drac drad drar drat drax drca drda drea dred dree dret drra dtaa dtac dtcc dted dttx dtxt dxcc dxdc dxdr dxec dxed dxra dxrd dxre dxrr dxrt dxrx dxxr dxxx eaca eacc eada eadd eaec eara eard eare eart eata eate ecaa ecac ecad ecar ecat ecca eccc ecce ecct ecdc eced ecra ecrc ecrr ect- ecta ectc edac edad edar edax edca edda eddc edde ede- edea eder edex edra edta eeca eede eeea eeee eera eerc eeta eetc eete eext er-x erad erat erca ercc erce erda erde erec ered erer eret erra errc erre erta etat etcc etec etee eter etra etre etta ette exa- exda exec exed exer exrx exta exte extr raad raat rac- raca racc race ract rada radc radd rade radr radt radx raec raed raer rara rare rata rate ratt raxa rcac rccc rcdc rcde rcet rcrd rctc rdac rder rea- reac read reae rear reat reca recc recd rece recr rect reda redc redd rede redr redx reed reet rera rerd rere rert reta retd rete retr rett rexx rrad rrat rred rrrr rtca rtcc rtce rtdt rtee rtex taa- taar taat taca tacc tace tact tada tade taec taer tara tarc tard tare tarr tart tata tate tatr tatt tax- taxa taxe taxt tcad tcca tccc tcdd tctc tdac tdra teac tead tear teat teca tecr tect teda tedd tede tedx teec teed teer teet ter- tera terc tere terr teta tete tetr tett tetx texa text traa trac trad trae trat trax trca trcc tre- trea trec tred tree tret trex trra trtc trte trtr tter tttt txaa txtr x-ed xaar xace xact xara xare xate xcat xdcc xeer xer- xera xert xexe xrcd xtar xtea xtra xxxx

-aaa- -tree a-dec aaace aaadc aaaee aaarc aaata aacte aadac aadat aatxe acaca acar- acara acard acare acate accad acced accra accrd aceae acera acet- aceta acrea acred acree act-r actar acted acter actra acxdc adact adada adara adare adata adate addae addax addea added adder addra adead adear adeed adeer adeta adexa adrad adrar adree adret aeaea aerdt aered aetat aeter ara-c araat araca arace arada araea arara arare arata arate araxa arcae arcde arced arcee