-er a-a a-b aaa aab aae aag aao aar aax ab- aba abb abe abg abo abr abx aea aeb aee aeg aeo aer aex ag- aga agb age agg ago agr agx aoa aob aoe aog aoo aor aox ar- ara arb are arg aro arr arx ax- axa axe axo axr axx baa bab bae bag bao bar bax bba bbb bbe bbg bbo bbr bbx be- bea beb bee beg beo ber bex bga bgb bge bgg bgo bgr bgx boa bob boe bog boo bor box bra brb bre brg bro brr brx bxb bxo bxx eaa eab eae eag eao ear eax eba ebb ebe ebg ebo ebr ebx eea eeb eee eeg eeo eer eex ega egb ege egg ego egr egx eo- eoa eob eoe eog eoo eor era erb ere erg ero err ex- exa exe exo exr exx gaa gab gae gag gao gar gba gbe gbg gbo gbr gbx ge- gea geb gee geg geo ger gex gga ggb ggg ggo ggr goa gob goe gog goo gor gox gra grb gre grg gro grr grx gxa oaa oab oae oag oao oar oax ob- oba obb obe obg obo obr obx oea oeb oee oeg oeo oer oex oga oge ogg ogo ogx oo- ooa oob oog ooo oor oox or- ora orb ore org oro orr orx ox- oxa oxb oxo oxx ra- raa rab rae rag rao rar rax rba rbb rbe rbg rbo rbr rbx re- rea reb ree reg reo rer rex rga rgb rge rgg rgo rgr rgx roa rob roe rog roo ror rox rra rrb rrg rrr rxr xaa xag xar xbe xbr xbx xee xeg xer xex xge xoa xog xoo xor xox xrx xxo xxx

a-be aaaa aaab aaae aaar aaba aabb aaea aage aaoe aaoo aara aare aaro abaa abab abae abag abar abax abb- abba abbb abbe abbo abbr abee aber aboa abob aboo abor abox 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 arax arba arbe area aree areg areo arex arga argb arge argo aroa arob aroe aroo aror arr- arra arre arrg arro arrr axar axer axo- axoa axxo ba-x baaa baar baba babb babe babo babr baer baga bage bagg bago bar- bara barb bare barg baro barr barx bbbb bbeb bbga bbox 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 boox bor- bora bore borg boro borr boxa brab brae brag brao brax brea breb bree breg breo brer brex broa brob broe brog broo bror brox brrr eaba eaga eage eara earb eare earo ebba ebbo ebbr eber eboe eboo ebor ebox 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 er-x erba erbb erbe ereb erer erg- erga ergg ergo erob eroe eroo erra erre erro exa- exer exge exo- exor exrx 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 geox 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 grex grob grog groo gror grrr o-eo oaer oara oare obba obbo obea ober obex oboe obor obox obra obre obro oeax 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 orex orga orge orgo oro- oroe oror orra orro oxa- oxea oxer oxo- oxox oxxo raab raag raba rabb rabe rabo raeg raer raga rage ragg rago raob rara rarb rare raro raxa rbbb rbbr rea- reae reao rear reba rebb rebe rebo reeb rega rege rego regr reog rera rere rerg rero rexx rgba rgbe roab roag roar rob- roba robb robe robo roea roeg roer roga roge rogg rogo roob roog roor roox rora rore roro roxa roxo rrrr xaar xaga xago xara xare xbar xbee xbox xbra xeer xega xer- xera xero xexe xorg xoro xoxo xxxo xxxx

-aaa- a-box 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 agarx agbor agege aggag aggar agger aggro agoge agogo agora agree agro- agror aooga ar-ab arab- araba arabe arabo araea arage arago arara arare araxa arbab arbar arbee arber arbor arbre areae arear arega arego areo- arere arero arexx argox aroab aroar aroba arobe aroer aroga aroor arora arore arrea arroe baabe babar babax babee baber baboo babra bagag bagao bagar bagea bager bagga bagge bagoe bagor bagra bagre baoro bar-x 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 bebox bebra beebe beega begab begar begee begga begge begob begor beoga berag berar berba berbe berea bereg berga berge berob beroe beror berra berre bexar bo-bo boaro bobar bobea bobr bobre boege boero bogar boger bogga bogge bogoe bogor bogra booba booer boora boore borax borba borbo borea boree borer borex borga borge borgo boro- boroa boroo borox borra borre borro boxbe boxee boxer braga bragb brage bragg bre-x breba breer breg- brega brege bregg breo- brera brere brobo broer broga brora broxa brrar brrrr e-box e-gao eagar eager eagre earar eargo ebara ebber