-er a-a a-b aaa aab aae aao aar aav ab- aba abb abe abo abr abv aea aeb aee aeo aer aev aoa aob aoe aoo aor aov ar- ara arb are aro arr arv av- ava avb ave avo avr baa bab bae bao bar bav bba bbb bbe bbo bbr be- bea beb bee beo ber bev boa bob boe boo bor bov bra brb bre bro brr brv bva bvb bve bvo bvr bvv eaa eab eae eao ear eav eba ebb ebe ebo ebr ebv eea eeb eee eeo eer eev eo- eoa eob eoe eoo eor era erb ere ero err erv eva evb eve evo evr evv oaa oab oae oao oar oav ob- oba obb obe obo obr obv oea oeb oee oeo oer oo- ooa oob ooo oor oov or- ora orb ore oro orr orv ov- ova ovb ove ovo ovv ra- raa rab rae rao rar rav rba rbb rbe rbo rbr re- rea reb ree reo rer rev roa rob roe roo ror rov rra rrb rrr rva rvb rve rvo rvr rvv v-a v-e vaa vab vae vao var vav vba vbo vbr vbv vea veb vee veo ver voa vob voe voo vor vov vra vrb vre vrr vva vvb vvo vvr vvv

a-be aaaa aaab aaae aaar aaav aaba aabb aaea aaev aaoe aaoo aara aare aaro aava abaa abab abae abar abb- abba abbb abbe abbo abbr abee aber aboa abob aboo abor abov abra abro abva aeer aer- aera aero aeva aoba aora aorb arab arae arar arba arbe area aree areo arev aroa arob aroe aroo aror arr- arra arre arro arrr arva arve arvo avab avao avar avea aveo aver avor avra avre avro avva avvo baaa baar baba babb babe babo babr baer bar- bara barb bare baro barr bava bave bbbb bbeb bear beav beba bebb bebe bebo beeb beer beo- beor bera bere bero berr bevo boab boar boba bobb bobe bobo boea boee boeo boer boob booe boor bor- bora bore boro borr bova bove bovo brab brae brao brav brea breb bree breo brer brev broa brob broe broo bror brrr eaba eara earb eare earo eave ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eera eero eeva eora eore erba erbb erbe ereb erer erev erob eroe eroo erra erre erro erve evae evar evea ever evoe evoo evra evre o-eo oaer oara oare obba obbo obea ober oboe obor obra obre obro oera oere ooaa ooba oobe ooer oooo oora oore orab orae orao orar orav orba orbb orbe orbo ore- orea oreb oreo orer oro- oroe oror orra orro orve orvr ovar ovee over ovo- ovoo ovra ovre raab raba rabb rabe rabo raer raob rara rarb rare raro rava rave rbbb rbbr rea- reae reao rear reba rebb rebe rebo reeb reev rera rere rero reva reve revo roab roar rob- roba robb robe robo roea roer roev roob roor rora rore roro rova rove rovo rrrr rver vaar vara vare varr vava vear veba veer veor ver- vera verb vere vero veve vevo voar voer voor vor- vora vore voro vrav vrba vreo vver vvob vvvv

-aaa- aaaee aabaa aabba aabra abaab ababa ababe abaer abara abare abava abave abbar abear abeba abebe abeer abera abere aberr aboab abobo abora abore above abovo abrar aeaea aebbe aereo aero- aeroe aerva ar-ab arab- araba arabe arabo araea arara arare arava arave arbab arbar arbee arber arbor arbre areae arear areo- arere arero areva aroab aroar aroba arobe aroer aroor arora arore arove arrea arroe arvar avara avare avaro avber avebe aveer aver- avera averb aveva aveve avoer avree baabe baava babar babee baber baboo babra baoro baraa barab barao barar barba barbe barea bareo barer baro- baroa baroo baror barra barre barro barva bavar bavra bbbee bbear be-er be-ro beara beare bebar beber bebra beebe beeve berar berav berba berbe berea berob beroe beror berra berre bevar bever bevor bo-bo boaro bobar bobea bobov bobr bobre boero booba booer boora boore borba borbo borea boree borer boro- boroa boroo borov borra borre borro borve borvo bovee brava brave bravo breba breer breo- brera brere breve brobo broer brora brova brrar brrrr earar eaver ebara ebber eeeee eevee eever eorre erava erbaa erbar erbbe erber erear erere ereve eroor erora erore error evaro evere evero everr eveve evoor evora o-r-b oarer oaror obaba obara obava obora oboro obrab obreb obrov obrva oo-er ooooo oovoo oraba oraea orara orare orava orbea orear oreo- orera orere orero orobe orobo oroer orvar ovar- ovaro over- overa overo ra-ra raaba raabe raaor rabab rabba rabbe rabor rarae rareb raree rarer ravar raveo raver rear- reave rebab rebar rebbe reber rebra reere reeve rere- reree rerob revar rever ro-ro roabe roave robab robar robbe robbo rober robo- robor roera roero rooba rooer roore roove rorer rorra rover v-bob v-bor vaara vabre varab varbo varea varor varra varro varva varve vavar vaver vavra veare veber vebre veera veere veeve verae verba verbo verea vereb verra verre verve veveo vever voere voeva voore vorab vorbe vorra vorre vrbov

aaaaba aabroo aavere abaera abaroa abbrev abeere aberra abobra abrera abreva aerobe arabo- arabov ararao arbaer arbore arbra areare areora arorae arraba arrear arrebo arrere arroba arrove averea avrora baabaa baabar baaror bababe babare babbar babovo baobab bar-or barara barbae barbar barbee barber barbra barbre barbro barera barevo barovo barrea barrer barver bavaro bbbbbb bearer beaver bebove beebea beebee beever beevor beraba berare berava berbar berbee berbeo berber berere berevo beroea berovo berrer berroa bevera bevoor boabab bobara bobbar bobber bobova bobovo bobrov boeber boerre boober booboo borbor borore bororo borova borovo bovara bovera bovver braver breare breere brever earbob eavere eebree erbare erbree errare errea evarra evovae obera oberea obrave oooooo orbara orever overea overer rababa rabovo ravare ravoor re-bar rearea rearer reaver rebear rebore rebrov reever rerobe revare revava revera reverb revere revora revver roarer roaver robber robovo rovere