-er a-a a-c aaa aac aad aae aaf aao aar ac- aca acc acd ace acf aco acr ad- ada adc add ade adf ado adr aea aec aed aee aef aeo aer af- afa afc afd afe aff afo afr aoa aoc aod aoe aof aoo aor ar- ara arc ard are arf aro arr c-- caa cac cad cae caf cao car cca ccc ccd cce ccf cco ccr cda cdc cdd cde cdf cdo cdr ce- cea cec ced cee cef ceo cer cfa cfc cfd cfe cff cfo cfr co- coa coc cod coe cof coo cor cra crc crd cre crf cro crr daa dac dad dae daf dao dar dca dcc dcd dce dcf dco dcr dda ddc ddd dde ddf ddo ddr de- dea dec ded dee def deo der dfa dfc dfd dfe dff dfo dfr doa doc dod doe dof doo dor dra drc drd dre dro drr eaa eac ead eae eaf eao ear ec- eca ecc ecd ece ecf eco ecr ed- eda edc edd ede edf edo edr eea eec eed eee eef eeo eer ef- efa efc efd efe eff efo efr eo- eoa eoc eod eoe eof eoo eor era erc erd ere erf ero err faa fac fad fae faf fao far fca fcc fcd fce fcf fco fcr fda fdc fdd fde fdf fdo fdr fea fec fed fee fef feo fer ffa ffc ffd ffe fff ffo ffr foa foc foe fof foo for fra frc frd fre frf fro frr oaa oac oad oae oaf oao oar oc- oca occ ocd ocf oco ocr oda odc odd ode odf odo odr oea oec oed oee oef oeo oer of- ofa ofc ofd ofe off ofo ofr oo- ooa ooc ood oof ooo oor or- ora orc ord ore orf oro orr ra- raa rac rad rae raf rao rar rca rcc rcd rce rcf rco rcr rda rdc rdd rde rdf rdo rdr re- rea rec red ree ref reo rer rfa rfc rfd rfe rff rfo rfr roa roc rod roe rof roo ror rra rrc rrd rrf rrr

a-do aaaa aaac aaad aaae aaaf aaar aaca aacc aacd aace aacf aaco aacr aada aadc aade aaea aaec aafa aafc aafd aaff aaoe aaoo aara aarc aard aare aaro acaa acac acad acae acar acca accc accd acce accf acco acda acdc acde acdf ace- acea acec aced acer acfc acfd acfe acoa acod acoe acor acr- acra acrc acre acro acrr adaa adac adad adae adao adar adcc adda addc addd adde addo addr adea adee adeo ader adfa adfc adoc adod adoe adoo ador adra adre adro aeac aeaf aede aeer aer- aera aerc aerd aero afaa afad afao afar afca afcc afdc afee afer affa affc affo afoa afoe afoo afor afr- afra afrc afre afro aoca aoce aora arac arad arae araf arar arc- arca arce arco arda ardc arde ardf ardo area arec ared aree aref areo arfa arfc arff aroa arod aroe aroo aror arr- arra arrc arre arro arrr c-cd caaa caac caaf cac- caca cacc cace caco cacr cada cadc cadd cade cado cadr caec caer cafa cafc cafe caff caod caor cara carc card care carf caro carr ccaa ccac ccad ccaf ccar ccca cccc cccf ccdc ccdf ccdr cced ccee ccfa ccfc ccfd ccff ccoc ccod ccra ccrc ccre ccrf cd-e cd-r cdaa cdac cdad cdda cddr cdec cdef cder cdfa cdfe cdre ceac cead cear cec- ceca cece ceco ceda cedd cede cedo ceec cef- cefa cefc ceor cer- cera cerc cerd cere cerf cero cfaa cfac cfae cfao cfar cfca cfcf cfco cfda cffr cfoa cfor cfra cfre coad coca coce coco coda codd code coed cofc cofe coff cood coof cor- cora corc cord core corf coro corr crac craf crar crca crcc crce crcr crda crdc cre- crea crec cred cree creo crfc croc crod croe croo cror daad daae daar daca dace dada dade dado daer dafa dafc dafe daff dafo dara darc dard dare darf daro darr dcca dccc dcfc dcra dddd ddoc ddrc ddre deac dead deae deaf dear dec- deca decc decd dece deco deda dedd dede dedo deed deef deer defe deff defo deor der- dera derc dere derf dero derr dfaf dfcc dfco dfer dffa dfoe dfrf doae doar doca doce doco dod- doda dodd dode dodo doea doer doff dood doof door dora dorc dord dore dorf doro dorr draa drac drad draf drar drca drda drea dred dree dref drfc drod drof drra eaaf eaca eacc eada eadd eaec eara eard eare earo ecaa ecac ecad ecao ecar ecca eccc ecce ecco ecdc ecdf eced ecef ecfa ecfc ecfr eco- ecod ecra ecrc ecrf ecrr edac edad edar edca edda eddc edde eddo ede- edea eder edfa edoc edod edra eeca eede eeea eeee eefa eefe eeoc eera eerc eero efca efco efda efeo effa efor eocd eode eora eore erad eraf erca ercc erce erda erde erdf erec ered erer erfc eroc erod eroe eroo erra errc erre erro faaa faac faad faca facc face fada fadd fade fado fafa fafc fafe faff fafo fara farc fard fare faro farr fcar fcca fccf fcda fcra fdca fdoa fdoc fead feaf fear fece feda fede feed feer fefc fefe feff fefo feod feof fera ferc ferd fere fero ferr ffar ffcc ffee ffff ffrr foad foaf foar foca foce foco foda fode foed foer fofo food foof for- fora ford fore foro forr frac frad frae frcc frea fred free freo frfc froe o-eo oade oaer oafc oafo oara oare ocac ocad occa occc oce oced ocee ocef ocfa ocra ocre ocro ocrr odac odda oddd odea oded odeo oder odoo odor odra oec- oeca oecc oedo oeec oera oere ofcr ofdr ofer off- offa offc offe offo offr ofor ofra ofre ooaa oocr ooda ooer ooff oooo oora oord oore orac orad orae orao orar orca orce orco