-er a-a a-b a-t aaa aab aae aao aar aat ab- aba abb abe abo abr abt aea aeb aee aeo aer aet aoa aob aoe aoo aor aot ar- ara arb are aro arr art at- ata atb ate ato atr att baa bab bae bao bar bat bba bbb bbe bbo bbr bbt be- bea beb bee beo ber bet boa bob boe boo bor bot bra brb bre bro brr brt bta btb bte bto btr btt eaa eab eae eao ear eat eba ebb ebe ebo ebr ebt eea eeb eee eeo eer eet eo- eoa eob eoe eoo eor eot era erb ere ero err ert eta etb ete eto etr ett oaa oab oae oao oar oat ob- oba obb obe obo obr obt oea oeb oee oeo oer oet oo- ooa oob ooo oor oot or- ora orb ore oro orr ort ot- ota otb ote oto otr ott ra- raa rab rae rao rar rat rba rbb rbe rbo rbr rbt re- rea reb ree reo rer ret roa rob roe roo ror rot rra rrb rrr rrt rta rtb rte rto rtr rtt taa tab tae tao tar tat tba tbb tbe tbo tbr tbt te- tea teb tee teo ter tet to- toa tob toe too tor tot tra trb tre tro trr trt tta ttb tte tto ttr ttt

a-be aaaa aaab aaae aaar aaba aabb aabt aaea aaoe aaoo aara aare aaro aart aata aatt abaa abab abae abar abat abb- abba abbb abbe abbo abbr abbt abee aber abet aboa abob aboo abor abot abra abro abta aeer aer- aera aero aeta aeto aetr aett aoba aora aorb aort arab arae arar arat arba arbe area aree areo aret aroa arob aroe aroo aror arr- arra arre arro arrr arrt arta arte arto artr at-t ataa atab atae atar atat atea atee ateo ater atob atoe ator atot atra atre atro atta atte atto attr baaa baar baat baba babb babe babo babr baer bar- bara barb bare baro barr bart bata bate bato batt bbbb bbeb bbet bear beat beba bebb bebe bebo beeb beer beet beo- beor beot bera bere bero berr bert beta bete beto bett boab boar boat boba bobb bobe bobo boea boee boeo boer boet boob booe boor boot bor- bora bore boro borr bort bota botb bote boto bott brab brae brao brat brea breb bree breo brer bret broa brob broe broo bror brot brrr btaa btob btor btrt bttb eaba eara earb eare earo eart eata eate ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eera eero eeta eete eora eore eota eoto erat erba erbb erbe ereb erer eret erob eroe eroo erra erre erro erta etat etbr etee eter etoe etra etre etro etta ette etto o-eo oaer oara oare oate obba obbo obea ober obet oboe obor obot obra obre obro oera oere oeta ooaa ooba oobe ooer oooo oora oore oort ootb orab orae orao orar orat orba orbb orbe orbo ore- orea oreb oreo orer oro- oroe oror orot orra orro orta orte orto otar otea otee oter oto- otoe otoo otor otra otre otro otta otte otto raab raat raba rabb rabe rabo raer raob rara rarb rare raro rata rate rato ratt rbbb rbbr rea- reae reao rear reat reba rebb rebe rebo reeb reet reot rera rere rero rert reta rete reto retr rett roab roar roat rob- roba robb robe robo robt roea roer roet roob roor root rora rore roro rort rota rote roto rotr rott rrat rrrr rtee taa- taar taat taba tabb tabe tabo taer taoa taor tara tarb tare taro tarr tart tata tatb tate tato tatr tatt tbar tbrb tbta tear teat teba tebo teer teet teor ter- tera tere tero terr teta tete teto tetr tett toab toat toba tobe tobo tobt toea toee toer toet tooa toor toot tora tore toro torr tort tota tote toto totr tott traa trab trae trao trat tre- trea tree treo tret troa troe troo trot trra trte trtr ttab ttbb tteo tter ttoe tttt

-aaa- -oate -tree aaaee aaata aabaa aabba aabra abaab ababa ababe abaer abara abare abate abbar abbat abbet abbot abear abeat abeba abebe abeer abeet abera abere aberr abert aboab aboat abobo aboot abora abore abort abote abott abrar abtaa abtao abtar aeaea aebbe aereo aero- aeroe aetat aeter aeto- aort- aorta aorte aotea ar-ab araat arab- araba arabe arabo araea arara arare arata arate arbab arbar arbat arbee arber arbet arbor arbot arbre areae arear areat areet areo- arere arero arete areto arett aroab aroar aroba arobe aroer aroor aroot arora arore arrea arret arroe artar artat artea arter arto- artoo artot atara atbar atbat atear ateat ater- aterr atete ateto atoot atora atoto atrab atree atro- atroa atrot attar attea atter atto- attra baabe baart baata baate babar babee baber baboo babot babra baert baoro baraa barab barao barar barat barba barbe barea bareo barer baret baro- baroa baroo baror barot barra barre barro barta barto batab batar batat batea bater batob batoe batoo bator batra batre batta batte batto bbart bbbee bbear be-er be-ro beara beare beart beata beate beato bebar bebat beber bebot bebra beebe beete beote berar berat berba berbe berea beret berob beroe beror berra berre berta berte berto betar betee beter betoo betor betra betre bett- betta bette betto bo-bo boaro boart boate bobar bobea bobet bobr bobre boero booat booba booer boora boore boort boota borat borba borbo borea boree borer boret boro- boroa boroo borot borra borre borro botar botet botro botta botte braat brate bratt breba breer breet breo- brera brere breto brett brobo broer brora broto brrar brrrr btr-t earar earto eatat eater eatre eatto ebara ebart ebate ebber ebbet ebert eboat eeeee eorre erate erato erbaa erbar erbbe erber erear erere eroor erora erore eroto errat error ertar erte erter etate etete etoro etree etter o-r-b oarer