-er a-a a-c aaa aac aad aae aaf aag aao aar ac- aca acc acd ace acf acg aco acr ad- ada adc add ade adf adg ado adr aea aec aed aee aef aeg aeo aer af- afa afc afd afe aff afg afo afr ag- aga agc agd age agf agg ago agr aoa aoc aod aoe aof aog aoo aor ar- ara arc ard are arf arg aro arr c-- caa cac cad cae caf cag cao car cca ccc ccd cce ccf ccg cco ccr cda cdc cdd cde cdf cdg cdo cdr ce- cea cec ced cee cef ceg ceo cer cfa cfc cfd cfe cff cfg cfo cfr cga cgc cgd cge cgg cgo cgr co- coa coc cod coe cof cog coo cor cra crc crd cre crf crg cro crr daa dac dad dae daf dag dao dar dca dcc dcd dce dcf dcg dco dcr dda ddc ddd dde ddf ddg ddo ddr de- dea dec ded dee def deg deo der dfa dfc dfd dfe dff dfg dfo dfr dga dgc dgd dge dgf dgg dgr doa doc dod doe dof dog doo dor dra drc drd dre drg dro drr eaa eac ead eae eaf eag eao ear ec- eca ecc ecd ece ecf ecg eco ecr ed- eda edc edd ede edf edg edo edr eea eec eed eee eef eeg eeo eer ef- efa efc efd efe eff efg efo efr ega egc egd ege egf egg ego egr eo- eoa eoc eod eoe eof eog eoo eor era erc erd ere erf erg ero err faa fac fad fae faf fag fao far fca fcc fcd fce fcf fcg fco fcr fda fdc fdd fde fdf fdg fdo fdr fea fec fed fee fef feg feo fer ffa ffc ffd ffe fff ffg ffo ffr fga fgc fgd fge fgf fgg fgr foa foc foe fof fog foo for fra frc frd fre frf frg fro frr g-d gaa gac gad gae gaf gag gao gar gca gcc gcd gce gcf gcg gco gcr gda gdc gdd gde gdf gdo gdr ge- gea gec ged gee gef geg geo ger gfa gfc gfd gfe gff gfo gfr gga ggc ggd ggg ggo ggr goa goc god goe gof gog goo gor gra grc grd gre grf grg gro grr oaa oac oad oae oaf oag oao oar oc- oca occ ocd ocf ocg oco ocr oda odc odd ode odf odg odo odr oea oec oed oee oef oeg oeo oer of- ofa ofc ofd ofe off ofg ofo ofr oga ogc ogd oge ogf ogg ogo oo- ooa ooc ood oof oog ooo oor or- ora orc ord ore orf org oro orr ra- raa rac rad rae raf rag rao rar rca rcc rcd rce rcf rcg rco rcr rda rdc rdd rde rdf rdg rdo rdr re- rea rec red ree ref reg reo rer rfa rfc rfd rfe rff rfg rfo rfr rga rgc rgd rge rgf rgg rgo rgr roa roc rod roe rof rog roo ror rra rrc rrd rrf rrg 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 aage aaoe aaoo aara aarc aard aare aaro acaa acac acad acae acag acar acca accc accd acce accf acco acda acdc acde acdf ace- acea acec aced acer acfc acfd acfe acga acgr acoa acod acoe acog acor acr- acra acrc acre acro acrr adaa adac adad adae adag adao adar adcc adda addc addd adde addo addr adea adee adeo ader adfa adfc adoc adod adoe adog adoo ador adra adre adro aeac aeaf aede aeer aega aer- aera aerc aerd aero afaa afad afao afar afca afcc afdc afee afer affa affc affo afgf afoa afoe afog afoo afor afr- afra afrc afre afro ag-o agac agad agag agao agar agca agcc agce agco agda agde agea aged agee ager agfa agga agge agod agog agoo agra agre agro aoca aoce aora arac arad arae araf arag arar arc- arca arce arco arda ardc arde ardf ardo area arec ared aree aref areg areo arfa arfc arff arga arge argo aroa arod aroe aroo aror arr- arra arrc arre arrg 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 caga cage cagg cago cagr caod caor cara carc card care carf caro carr ccaa ccac ccad ccaf ccag ccar ccca cccc cccf ccdc ccdf ccdr cced ccee ccfa ccfc ccfd ccff ccga ccgc ccoc ccod ccra ccrc ccre ccrf ccrg 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 cege cego ceor cer- cera cerc cerd cere cerf cero cfaa cfac cfae cfao cfar cfca cfcf cfco cfda cffr cfgo cfoa cfor cfra cfre cfrg cgac cgcc cgcg cged cger cgfc cgro coad coag coca coce coco coda codd code coed cofc cofe coff cogo cood coof cor- cora corc cord core corf corg coro corr crac craf crag crar crca crcc crce crcr crda crdc cre- crea crec cred cree creg creo crfc croc crod croe croo cror daad daae daag daar daca dace dada dade dado daer dafa dafc dafe daff dafo daga dage dagg dago dagr dara darc dard dare darf darg daro darr dcca dccc dcfc dcgo dcra dddd ddoc ddrc ddre deac dead deae deaf dear dec- deca decc decd dece deco deda dedd dede dedo deed deef deeg deer defe deff defg defo dega dege dego deor der- dera derc dere derf derg dero derr dfaf dfcc dfco dfer dffa dfoe dfrf dgac dgca dgeg dgge doae doar doca doce doco dod- doda dodd dode dodg dodo doea doeg doer doff dog- doga doge dogg dogo dood doof door dora dorc dord