-er a-a a-c aaa aac aae aag aah aao aar ac- aca acc ace acg ach aco acr aea aec aee aeg aeh aeo aer ag- aga agc age agg agh ago agr aha ahc ahe ahg ahh aho ahr aoa aoc aoe aog aoh aoo aor ar- ara arc are arg arh aro arr c-- caa cac cae cag cah cao car cca ccc cce ccg cch cco ccr ce- cea cec cee ceg ceh ceo cer cga cgc cge cgg cgh cgo cgr ch- cha chc che chg chh cho chr co- coa coc coe cog coh coo cor cra crc cre crg crh cro crr eaa eac eae eag eah eao ear ec- eca ecc ece ecg ech eco ecr eea eec eee eeg eeo eer ega egc ege egg egh ego egr eha ehc ehe ehg ehh eho ehr eo- eoa eoc eoe eog eoh eoo eor era erc ere erg erh ero err gaa gac gae gag gah gao gar gca gcc gce gcg gch gco gcr ge- gea gec gee geg geh geo ger gga ggc ggg ggh ggo ggr gha ghc ghe ghg ghh gho ghr goa goc goe gog goh goo gor gra grc gre grg grh gro grr haa hac hae hag hah hao har hca hcc hce hcg hch hco hcr he- hea hec hee heg heh heo her hga hgc hge hgg hgh hgo hgr hha hhc hhe hhg hhh hho hhr hoa hoc hoe hog hoh hoo hor hr- hra hrc hre hrg hrh hro hrr oaa oac oae oag oah oao oar oc- oca occ ocg och oco ocr oea oec oee oeg oeh oeo oer oga ogc oge ogg ogh ogo oha ohc ohe ohg ohh oho ohr oo- ooa ooc oog ooh ooo oor or- ora orc ore org orh oro orr ra- raa rac rae rag rah rao rar rca rcc rce rcg rch rco rcr re- rea rec ree reg reh reo rer rga rgc rge rgg rgh rgo rgr rh- rha rhc rhe rhg rhh rho rhr roa roc roe rog roh roo ror rra rrc rrg rrh rrr

a-ha aaaa aaac aaae aaah aaar aaca aacc aace aach aaco aacr aaea aaec aage aagh aaha aaoe aaoo aara aarc aare aaro acaa acac acae acag acar acca accc acce acch acco ace- acea acec aceh acer acga acgr acha ache achh acho achr acoa acoe acog acoh acor acr- acra acrc acre acro acrr aeac aeer aega aer- aera aerc aero ag-o agac agag agao agar agca agcc agce agco agea agee ager agga agge agha aghe agog agoo agra agre agro ahac ahah ahar ahha ahoa ahoe ahog ahor ahra ahrc ahre ahrr aoah aoca aoce aora arac arae arag arah arar arc- arca arce arch arco area arec aree areg areh areo arga arge argh argo arh- aroa aroe aroo aror arr- arra arrc arre arrg arrh arro arrr caaa caac caah cac- caca cacc cace cach caco cacr caec caer caga cage cagg cago cagr caha cahe caor cara carc care caro carr ccaa ccac ccag ccar ccca cccc ccee ccga ccgc ccha cche cchr ccoc ccra ccrc ccre ccrg ceac cear cec- ceca cece ceco ceec cege cego ceor cer- cera cerc cere cero cgac cgcc cgcg cger cgro chaa chac chae chag chah chao char chca chce chch chea chec chee cheh cher chge chha choc choh choo chor chra chrc chro chrr coag coca coce coch coco cogh cogo coha coho cooh cor- cora corc core corg coro corr crac crag crar crca crcc crce crcr cre- crea crec cree creg creh creo croc croe croh croo cror eaca eacc each eaec eaga eage eara eare earh earo ecaa ecac ecao ecar ecca eccc ecce ecco echa eche echo eco- ecog ecra ecrc ecrr eeca eeea eeee eega eeoc eera eerc eerg eero egaa egae egao egar egcc egcg egcr egea egec egee eger egge eggh eggo eghe eghh ego- egor egra egre ehaa ehcc ehea eheh eher ehre eora eore erca ercc erce erch erec erer erg- erga ergg ergh ergo erhc eroc eroe eroo erra errc erre erro gaar gace gach gaea gaec gaer gaga gage gagg gago gaha gahe gaoh gara gare garg garo garr gc-c gcaa gccc gcoa gcrg gear geca gece geer gege gegg gego geha geo- geog gera gere gero gggg gghg ghar ghea ghee gheg goar goca goce goch gocr goer goga gogh gogo goha goog goor gora gore gorg goro gorr grac grae grcc grce grea grec gree greg groc grog groh groo gror grrr haag haar hace haco haec hag- haga hage hagg hagh hago haha haho haor hara harc hare harh haro harr hcca hccc hcch hcgh heah hear heca hech heeg heer hega hege hegg hegh hego hehe heho heor hera herc here herg hero herr hgah hgar hggc hhaa hhgg hhhh hoac hoag hoar hoca hoce hoch hocr hoer hoga hoge hogg hogh hogo hoha hohe hoho hooe hoor hora horc hore horg horo horr hrac hree hrrc o-eo oaer oahe oara oare ocac occa occc oce ocee ocga ocha oche ocra ocre ocro ocrr oec- oeca oecc oeec oera oere ogae ogar ogea ogee oger ogge ogoa ogog ogra ogre ogro ohcc ohee oher ohgr ohho ohoh ohra ohre ooaa oocr ooer ooha ooho oooh oooo oora oore orac orae orah orao orar orca orce orch orco ore- orea orec oreg oreh oreo orer orga orge orgo orhe oro- oroe oror orra orro raag rac- raca racc race rach raco raec raeg raer raga rage ragg ragh rago raha rahe rahr raoc raoh rara rare raro rcac rccc rcga rcgc rcrg rea- reac reae reao rear reca recc rece rech recr rega rege rego regr reha rehe reog rera rere rerg rero rhae rhag rhce rhcg rhea rhee rheo rhoa rhoc rhog rhoh roag roar roca rocc roce roch roco roea roeg roer roga roge rogg rogh rogo roha rohe rohr roog