-er a-a a-b aaa aab aad aae aao aar ab- aba abb abd abe abo abr ad- ada adb add ade ado adr aea aeb aed aee aeo aer aoa aob aod aoe aoo aor ar- ara arb ard are aro arr baa bab bad bae bao bar bba bbb bbd bbe bbo bbr bda bdb bdd bde bdo bdr be- bea beb bed bee beo ber boa bob bod boe boo bor bra brb brd bre bro brr daa dab dad dae dao dar dba dbb dbd dbe dbo dbr dda ddb ddd dde ddo ddr de- dea deb ded dee deo der doa dob dod doe doo dor dra drb drd dre dro drr eaa eab ead eae eao ear eba ebb ebd ebe ebo ebr ed- eda edb edd ede edo edr eea eeb eed eee eeo eer eo- eoa eob eod eoe eoo eor era erb erd ere ero err oaa oab oad oae oao oar ob- oba obb obd obe obo obr oda odb odd ode odo odr oea oeb oed oee oeo oer oo- ooa oob ood ooo oor or- ora orb ord ore oro orr ra- raa rab rad rae rao rar rba rbb rbd rbe rbo rbr rda rdb rdd rde rdo rdr re- rea reb red ree reo rer roa rob rod roe roo ror rra rrb rrd rrr

a-be a-do aaaa aaab aaad aaae aaar aaba aabb aabd aada aade aaea aaoe aaoo aara aard aare aaro abaa abab abad abae abar abb- abba abbb abbe abbo abbr abda abdo abed abee aber aboa abob abod aboo abor abra abro adaa adab adad adae adao adar adba adda addd adde addo addr adea adeb adee adeo ader adob adod adoe adoo ador adra adre adro aede aeer aer- aera aerd aero aoba aora aorb arab arad arae arar arba arbe arda arde ardo area ared aree areo aroa arob arod aroe aroo aror arr- arra arre arro arrr baaa baad baar baba babb babe babo babr bada badb badd bade bado badr baed baer bar- bara barb bard bare baro barr bbad bbbb bbdd bbdo bbeb bd-r bead bear beba bebb bebe bebo beda bede bedo beeb beed beer beo- beod beor bera berd bere bero berr boab boad boar boba bobb bobe bobo boda bodb bode bodo boea boee boeo boer boob bood booe boor bor- bora bord bore boro borr brab brad brae brao brda brdo brea breb bred bree breo brer broa brob brod broe broo bror brrr d-bo daab daad daae daar daba dabb dabo dada dade dado daeb daer dara darb dard dare daro darr dbar dddd ddre dead deae dear deba debe deda dedd dede dedo deeb deed deer deor der- dera derb dere dero derr doab doae doar doba dobb dobe dod- doda dodd dode dodo doea doer doob dood door dora dord dore doro dorr draa drab drad drar drba drda drea dred dree drob drod drra eaba eada eadb eadd eara earb eard eare earo ebba ebbo ebbr ebed eber eboe eboo ebor ebro edad edar edda edde eddo ede- edea eder edod edra eede eeea eeee eera eero eode eora eore erad erba erbb erbe erda erde ereb ered erer erob erod eroe eroo erra erre erro o-eo oade oaer oara oare obad obba obbo obea obed ober oboe obor obra obre obro odbo odda oddd odea oded odeo oder odoo odor odra oedo oera oere ooaa ooba oobe ooda ooer oooo oora oord oore orab orad orae orao orar orba orbb orbe orbo orda orde ordo ore- orea oreb ored oreo orer oro- oroe oror orra orro raab raad raba rabb rabe rabo rada radd rade rado radr raed raer raob rara rarb rare raro rbbb rbbr rder rea- read reae reao rear reba rebb rebe rebo reda redd rede redo redr reeb reed reod rera rerd rere rero roab road roar rob- roba robb robe robo roda rodd rode rodo roea roed roer roob rood roor rora rore roro rrad rred rrrr

-aaa- -abad aaaee aabaa aabba aabra abaab ababa ababe abada abade abaer abara abare abbad abbar abbed abbod abead abear abeba abebe abede abedo abeed abeer abera abere aberr aboab aboad abobo abode abood abora abord abore abrad abrar abrod adaba adabe adada adado adara adare adaro adber addae addea added adder addra adead adear adeeb adeed adeer adoar adobe adobo adodb adoor adora adore adoro adrad adrar adree adroa aeaea aebbe aered aereo aero- aeroe aoede ar-ab arab- araba arabe arabo arada arado araea arara arare arbab arbar arbed arbee arber arbor arbre ardab ardea ardeb ardee arder ardod ardor ardra ardre aread areae arear arede aredo areed areo- arere arero aroab aroad aroar aroba arobe aroer aroor arora arore arrea arroe b-e-d baabe baade baaed baard babar babdo babee baber baboo babra badao badar badde baddo badea bader badod badoo badra baeda baoro baraa barab barad barao barar barba barbe barda barde bardo barea bared bareo barer baro- baroa baroo baror barra barre barro bbbee bbear bd-re bdoor be-er be-ro beara beard beare bebad bebar bebdo bebed beber bebod bebra bedab bedad bedar bedda bedde bedee beder beebe beede beerd beode beord berar berba berbe berde berea bered berob beroe beror berra berre bo-bo boada board boaro bobar bobea bobr bobre bodd- boded boder bodoe bodor boedo boero booba boode booed booer boora boord boore borba borbo borda borde bordo borea bored boree borer boro- boroa borod boroo borra borre borro brada brade braed brard brdda bread breba breda bredd brede breed breer breo- brera brerd brere broad brobo broda brodd brode brodo broer brood brora brrar brrrr d-a-d d-rad d-rod daada daara dabar dabba dabbe daber dabra dadao dadar dadda daddo daded dadoo dadra daraa darab darba darda darde dardo dared darer darod daroo darra darre darro ddddd ddebo deada deadd deade deara deare debab debar debed deber debra debro dedde dedee deder deear deeba deeda deede deere deora deore deoro derbe derde