-er a-a a-b aaa aab aae aag aao aar ab- aba abb abe abg abo abr aea aeb aee aeg aeo aer ag- aga agb age agg ago agr aoa aob aoe aog aoo aor ar- ara arb are arg aro arr baa bab bae bag bao bar bba bbb bbe bbg bbo bbr be- bea beb bee beg beo ber bga bgb bge bgg bgo bgr boa bob boe bog boo bor bra brb bre brg bro brr eaa eab eae eag eao ear eba ebb ebe ebg ebo ebr eea eeb eee eeg eeo eer ega egb ege egg ego egr eo- eoa eob eoe eog eoo eor era erb ere erg ero err gaa gab gae gag gao gar gba gbe gbg gbo gbr ge- gea geb gee geg geo ger gga ggb ggg ggo ggr goa gob goe gog goo gor gra grb gre grg gro grr oaa oab oae oag oao oar ob- oba obb obe obg obo obr oea oeb oee oeg oeo oer oga oge ogg ogo oo- ooa oob oog ooo oor or- ora orb ore org oro orr ra- raa rab rae rag rao rar rba rbb rbe rbg rbo rbr re- rea reb ree reg reo rer rga rgb rge rgg rgo rgr roa rob roe rog roo ror rra rrb rrg rrr

a-be aaaa aaab aaae aaar aaba aabb aaea aage aaoe aaoo aara aare aaro abaa abab abae abag abar abb- abba abbb abbe abbo abbr abee aber aboa abob aboo abor abra abro aeer aega aer- aera aero ag-o agag agao agar agba agbo agea agee ager agga agge agob agog agoo agra agre agro aoba aora aorb arab arae arag arar arba arbe area aree areg areo arga argb arge argo aroa arob aroe aroo aror arr- arra arre arrg arro arrr baaa baar baba babb babe babo babr baer baga bage bagg bago bar- bara barb bare barg baro barr bbbb bbeb bbga bbrg beag bear beba bebb bebe bebo beeb beeg beer bega begg bego beo- beor bera bere berg bero berr boab boag boar boba bobb bobe bobo boea boee boeo boer boga boge bogg bogo boob booe boog boor bor- bora bore borg boro borr brab brae brag brao brea breb bree breg breo brer broa brob broe brog broo bror brrr eaba eaga eage eara earb eare earo ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eega eera eerg eero egaa egae egao egar egba egbe egea egee eger eggb egge eggo ego- egor egra egre eora eore erba erbb erbe ereb erer erg- erga ergg ergo erob eroe eroo erra erre erro gaar gaba gabb gabe gabo gabr gaea gaer gaga gage gagg gago gara garb gare garg garo garr gbag gbbo geab gear geba gebe geer gege gegg gego geo- geog gera gerb gere gero gggg goar goba gobe gobo goer goga gogo goog goor gora gorb gore gorg goro gorr grab grae grbr grea greb gree greg grob grog groo gror grrr o-eo oaer oara oare obba obbo obea ober oboe obor obra obre obro oegb oera oere ogae ogar ogb ogba ogbe ogea ogee oger ogge ogoa ogog ogra ogre ogro ooaa ooba oobe ooer oooo oora oore orab orae orao orar orba orbb orbe orbo ore- orea oreb oreg oreo orer orga orge orgo oro- oroe oror orra orro raab raag raba rabb rabe rabo raeg raer raga rage ragg rago raob rara rarb rare raro rbbb rbbr rea- reae reao rear reba rebb rebe rebo reeb rega rege rego regr reog rera rere rerg rero rgba rgbe roab roag roar rob- roba robb robe robo roea roeg roer roga roge rogg rogo roob roog roor rora rore roro rrrr

-aaa- aaaee aaarg aabaa aabba aabga aabra abaab ababa ababe abaer abaga abago abara abare abbar abear abeba abebe abeer abega abege abegg abera abere aberg aberr abgar aboab abobo abora abore abrar aeaea aebbe aegae aegea aeger aereo aero- aeroe agago agara agaro agbor agege aggag aggar agger aggro agoge agogo agora agree agro- agror aooga ar-ab arab- araba arabe arabo araea arage arago arara arare arbab arbar arbee arber arbor arbre areae arear arega arego areo- arere arero aroab aroar aroba arobe aroer aroga aroor arora arore arrea arroe baabe babar babee baber baboo babra bagag bagao bagar bagea bager bagga bagge bagoe bagor bagra bagre baoro baraa barab barag barao barar barba barbe barea bareo barer barga barge baro- baroa barog baroo baror barra barre barro bbbee bbear be-er be-ro beara beare bebar beber bebog bebra beebe beega begab begar begee begga begge begob begor beoga berag berar berba berbe berea bereg berga berge berob beroe beror berra berre bo-bo boaro bobar bobea bobr bobre boege boero bogar boger bogga bogge bogoe bogor bogra booba booer boora boore borba borbo borea boree borer borga borge borgo boro- boroa boroo borra borre borro braga bragb brage bragg breba breer breg- brega brege bregg breo- brera brere brobo broer broga brora brrar brrrr e-gao eagar eager eagre earar eargo ebara ebber eberg eeeee egare egaro eggar egger eorre erbaa erbar erbbe erber erear erege erere ergo- eroge eroor erora erore error ga-ga gaago gaara gabar gabba gabbe gabbo gaber gabor gabra gabre gagae gagar gagea gager gagge gaggo gagra garab garag garba garbe garbo gareb garga garoe garoo garor garra garre garro gbara gberg gearb geare geber gebre geebo geere gegar gegge georg gerar gerba gerbe gerbo gerea gerra gerre ggaba go-go go-oo gobag gobar gobbe gobbo gobea gobeo gogao gogar gogga gogro goobo googe goora goore goraa gorab gorbe gorea goree gorer gorge gorgo gorre grabe grabo graea gragg grebe grebo greer grege gregg grego grgar groa groea groge grogg grrrr o-r-b oagar oarer oaror obaba obara oberg oboga obora oboro obrab obreb ogage oggar ogogo oo-er ooooo oraba oraea orage orara orare orbea orear oreo- orera orere orero orobe orobo oroer orrgo ra-ra raaba raabe raaor rabab rabba rabbe rabor ragea