-er a-a a-c aaa aac aae aaf aao aar aax ac- aca acc ace acf aco acr acx aea aec aee aef aeo aer aex af- afa afc afe aff afo afr afx aoa aoc aoe aof aoo aor aox ar- ara arc are arf aro arr arx ax- axa axe axo axr axx c-- caa cac cae caf cao car cax cca ccc cce ccf cco ccr ccx ce- cea cec cee cef ceo cer cex cfa cfc cfe cff cfo cfr cfx co- coa coc coe cof coo cor cox cra crc cre crf cro crr crx cxc cxf cxo cxr cxx eaa eac eae eaf eao ear eax ec- eca ecc ece ecf eco ecr ecx eea eec eee eef eeo eer eex ef- efa efc efe eff efo efr efx eo- eoa eoc eoe eof eoo eor era erc ere erf ero err ex- exa exc exe exo exr exx faa fac fae faf fao far fax fca fcc fce fcf fco fcr fcx fea fec fee fef feo fer fex ffa ffc ffe fff ffo ffr ffx foa foc foe fof foo for fox fra frc fre frf fro frr fxe fxr fxx oaa oac oae oaf oao oar oax oc- oca occ ocf oco ocr ocx oea oec oee oef oeo oer oex of- ofa ofc ofe off ofo ofr ofx oo- ooa ooc oof ooo oor oox or- ora orc ore orf oro orr orx ox- oxa oxc oxf oxo oxx ra- raa rac rae raf rao rar rax rca rcc rce rcf rco rcr rcx re- rea rec ree ref reo rer rex rfa rfc rfe rff rfo rfr roa roc roe rof roo ror rox rra rrc rrf rrr rxr xaa xac xaf xar xcf xcr xcx xee xer xex xfa xfe xfx xoa xoc xof xoo xor xox xrc xrf xrx xxo xxx

aaaa aaac aaae aaaf aaar aaca aacc aace aacf aaco aacr aaea aaec aafa aafc aaff aaoe aaoo aara aarc aare aaro acaa acac acae acar acca accc acce accf acco ace- acea acec acer acfc acfe acoa acoe acor acr- acra acrc acre acro acrr aeac aeaf aeer aer- aera aerc aero afaa afao afar afca afcc afee afer affa affc affo afoa afoe afoo afor afox afr- afra afrc afre afro afxe aoca aoce aora arac arae araf arar arax arc- arca arce arco area arec aree aref areo arex arfa arfc arff aroa aroe aroo aror arr- arra arrc arre arro arrr axaf axar axce axer axfr axo- axoa axof axxo caaa caac caaf cac- caca cacc cace caco cacr caec caer caex cafa cafc cafe caff caor cara carc care carf caro carr carx caxa ccaa ccac ccaf ccar ccca cccc cccf ccee ccfa ccfc ccff ccoc ccra ccrc ccre ccrf ceac cear cec- ceca cece ceco ceec cef- cefa cefc ceor cer- cera cerc cere cerf cero cexe cfaa cfac cfae cfao cfar cfax cfca cfcf cfco cffr cfoa cfor cfox cfra cfre cfrx coax coca coce coco coex cofc cofe coff coof cor- cora corc core corf coro corr coxa coxe crac craf crar crax crca crcc crce crcr cre- crea crec cree creo crex crfc croc croe croo cror cxro cxxx eaaf eaca eacc eaec eara eare earo ecaa ecac ecao ecar ecca eccc ecce ecco ecef ecfa ecfc ecfr eco- ecra ecrc ecrf ecrr eeca eeea eeee eefa eefe eeoc eera eerc eero efax efca efco efeo effa efor eora eore er-x eraf erca ercc erce erec erer erfc erfx eroc eroe eroo erra errc erre erro exa- exco exec exer exfo exo- exor exrx faaa faac faca facc face faex fafa fafc fafe faff fafo fara farc fare faro farr faxe fcar fcca fccf fcra feaf fear fece feer fefc fefe feff fefo feof fera ferc fere fero ferr ffar ffcc ffee ffff ffrr foaf foar foca foce foco foer fofo foof for- fora fore foro forr foxe foxx frac frae frax frcc frea free freo frex frfc froe o-eo oaer oafc oafo oara oare ocac occa occc oce ocee ocef ocfa ocra ocre ocro ocrr oeax oec- oeca oecc oeec oera oere ofcr ofer off- offa offc offe offo offr ofor ofra ofre ooaa oocr ooer ooff oooo oora oore orac orae orao orar orca orce orco ore- orea orec oreo orer orex orfe orff oro- oroe orof oror orra orro oxa- oxea oxer oxo- oxof oxox oxxo raaf rac- raca racc race raco raec raef raer rafa rafc rafe raff raoc rara rare rarf raro raxa rcac rcaf rccc rcfc rea- reac reae reaf reao rear reca recc rece recr reef refe reff refr reof rera rere rero rexx rfae rfef rffc roaf roar roca rocc roce roco roea roer rofc rofe roff rofo roof roor roox rora rorc rore roro roxa roxo rrfc rrrr xaar xace xara xare xeer xefe xer- xera xero xexe xfce xfer xoca xoco xoro xoxo xxxo xxxx

-aaa- aaace aaaee aaaoc aaarc aacfo aaeaf acaca acar- acara acare accra aceae aceof acera acero acore acrea acree acro- aeaea aereo aero- aeroe aface afara afare afcea afcec afear afefe afere affer affor afore afoxe afree afro- ara-c araca arace araco araea arafo arara arare araxa arcae arcee arcoa arcor areae arear areca areef areo- arere arero arexx arfe aroar aroer aroof aroor arora arore arrea arroe c-a-c c-cor c-raf ca-ca caare cacao caco- cacoa caec- caeca caere cafer caffa caffe caffo caraa carac carea carer carex carfe caroa caroe carra carre carro caxee ccccc ceace ceara ceare cearr ceco- ceeac ceere cefor ceoce ceoor cerae cerc- cerca cerce cerco cerea cerec cerer cero- ceroc cerre cerro co-co coarc cocao cocc- cocce cocco cocea coceo cocoa cofar cofer coffa coffe cofre cooee cooer coore corax corca corce core- corea coree corer corex corfe corfo coro- corra corre coxae crace craco craer crare crear crece creer creo- crexa croce croco crooe crore eafre earar earof ecara ecare ecoff eecca eeeee efare efere effer