-er a-a a-c aaa aac aad aae aag aao aar ac- aca acc acd ace acg aco acr ad- ada adc add ade adg ado adr aea aec aed aee aeg aeo aer ag- aga agc agd age agg ago agr aoa aoc aod aoe aog aoo aor ar- ara arc ard are arg aro arr c-- caa cac cad cae cag cao car cca ccc ccd cce ccg cco ccr cda cdc cdd cde cdg cdo cdr ce- cea cec ced cee ceg ceo cer cga cgc cgd cge cgg cgo cgr co- coa coc cod coe cog coo cor cra crc crd cre crg cro crr daa dac dad dae dag dao dar dca dcc dcd dce dcg dco dcr dda ddc ddd dde ddg ddo ddr de- dea dec ded dee deg deo der dga dgc dgd dge dgg dgr doa doc dod doe dog doo dor dra drc drd dre drg dro drr eaa eac ead eae eag eao ear ec- eca ecc ecd ece ecg eco ecr ed- eda edc edd ede edg edo edr eea eec eed eee eeg eeo eer ega egc egd ege egg ego egr eo- eoa eoc eod eoe eog eoo eor era erc erd ere erg ero err g-d gaa gac gad gae gag gao gar gca gcc gcd gce gcg gco gcr gda gdc gdd gde gdo gdr ge- gea gec ged gee geg geo ger gga ggc ggd ggg ggo ggr goa goc god goe gog goo gor gra grc grd gre grg gro grr oaa oac oad oae oag oao oar oc- oca occ ocd ocg oco ocr oda odc odd ode odg odo odr oea oec oed oee oeg oeo oer oga ogc ogd oge ogg ogo oo- ooa ooc ood oog ooo oor or- ora orc ord ore org oro orr ra- raa rac rad rae rag rao rar rca rcc rcd rce rcg rco rcr rda rdc rdd rde rdg rdo rdr re- rea rec red ree reg reo rer rga rgc rgd rge rgg rgo rgr roa roc rod roe rog roo ror rra rrc rrd rrg rrr

a-do aaaa aaac aaad aaae aaar aaca aacc aacd aace aaco aacr aada aadc aade aaea aaec aage aaoe aaoo aara aarc aard aare aaro acaa acac acad acae acag acar acca accc accd acce acco acda acdc acde ace- acea acec aced acer 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 adoc adod adoe adog adoo ador adra adre adro aeac aede aeer aega aer- aera aerc aerd aero ag-o agac agad agag agao agar agca agcc agce agco agda agde agea aged agee ager agga agge agod agog agoo agra agre agro aoca aoce aora arac arad arae arag arar arc- arca arce arco arda ardc arde ardo area arec ared aree areg areo arga arge argo aroa arod aroe aroo aror arr- arra arrc arre arrg arro arrr c-cd caaa caac cac- caca cacc cace caco cacr cada cadc cadd cade cado cadr caec caer caga cage cagg cago cagr caod caor cara carc card care caro carr ccaa ccac ccad ccag ccar ccca cccc ccdc ccdr cced ccee ccga ccgc ccoc ccod ccra ccrc ccre ccrg cd-e cd-r cdaa cdac cdad cdda cddr cdec cder cdre ceac cead cear cec- ceca cece ceco ceda cedd cede cedo ceec cege cego ceor cer- cera cerc cerd cere cero cgac cgcc cgcg cged cger cgro coad coag coca coce coco coda codd code coed cogo cood cor- cora corc cord core corg coro corr crac crag crar crca crcc crce crcr crda crdc cre- crea crec cred cree creg creo croc crod croe croo cror daad daae daag daar daca dace dada dade dado daer daga dage dagg dago dagr dara darc dard dare darg daro darr dcca dccc dcgo dcra dddd ddoc ddrc ddre deac dead deae dear dec- deca decc decd dece deco deda dedd dede dedo deed deeg deer dega dege dego deor der- dera derc dere derg dero derr dgac dgca dgeg dgge doae doar doca doce doco dod- doda dodd dode dodg dodo doea doeg doer dog- doga doge dogg dogo dood door dora dorc dord dore doro dorr draa drac drad drag drar drca drda drea dred dree dreg drge drod drog drra eaca eacc eada eadd eaec eaga eage eara eard eare earo ecaa ecac ecad ecao ecar ecca eccc ecce ecco ecdc eced eco- ecod ecog ecra ecrc ecrr edac edad edag edar edca edda eddc edde eddo ede- edea eder edge edoc edod edra eeca eede eeea eeee eega eeoc eera eerc eerg eero egaa egad egae egao egar egcc egcg egcr egea egec egee eger egge eggo ego- egor egra egre eocd eode eora eore erad erca ercc erce erda erde erec ered erer erg- erga ergg ergo eroc erod eroe eroo erra errc erre erro gaar gace gada gadd gade gado gaea gaec gaed gaer gaga gage gagg gago gara gard gare garg garo garr gc-c gcaa gccc gcda gcoa gcrg gdca gdor gdrc gead gear geca gece geda gedd gede gedo geed geer gege gegg gego geo- geog gera gerd gere gero gggg goad goar goca goce gocr goda gode godo goed goer goga gogo good goog goor gora gord gore gorg goro gorr grac grad grae grcc grce grdc grea grec gree greg groc grod grog groo gror grrr o-eo oade oaer oara oare ocac ocad occa occc oce oced ocee ocga ocra ocre ocro ocrr odac odda oddd odea oded odeo oder odoo odor odra oec- oeca oecc oedo oeec oera oere ogae ogar ogdc ogea ogee oger ogge ogoa ogod ogog ogra ogre ogro ooaa oocr ooda ooer oooo oora oord oore orac orad orae orao orar orca orce orco orda orde ordo ore- orea orec ored oreg oreo orer orga orge orgo oro-